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help in php button

i have a this button <input type="button" name="continue" id="continue" value="Continue"> in php we use if ... i edit the action of that button? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2: Difference between Decorators

I am new to Angular2 and want to clear some concepts as i referred many other post but still ... , ngAfterViewInit & ngAfterViewChecked? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Copy constructor for a pointer data linked list

Can you help me to write a copy constructor for this List, note that the Data is stored indirectly. class List { ... of Data class. Thank you. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - How to flatten a nested json array?

I need to flatten a JSON with different levels of nested JSON arrays in Python Part of my JSON looks like ... better way of normalizing the JSON See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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994 views

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php - How to make echo table with two div tag?

How to make echo for table with div ? Table do not work if I need to do echo. My proposal with echo (not work): <? ... /form> </div> </div>"; ?> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c - Passing float to a function with int argument (that is not declared beforehand)

I have read Garbage value when passed float values to the function accepting integer parameters answers. My question ... gcc if that helps. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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pandas - How to merge multiple duplicate key names using python in a format like dictionary

I had data in a format like dictionary where I the data had multiple duplicate keys repeated multiple times with ... "], Can anyone suggest. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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830 views

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javascript - A function that returns the number of even numbers of an array

I need to write function that returns the number of even numbers of an array. //=================== ... just returns undefined I don't know why. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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how to extract points from the string "(1,3),(4,6),(3,6)" using java

i am unable to extracts only the points to matrix array using java and then assign it to matrix a[6][6] ... I want. Does anyone have suggestion? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - ('The SQL contains 0 parameter markers, but 50 parameters were supplied', 'HY000') or TypeError: 'tuple' object is not callable

import pyodbc,nltk,array cnxn = pyodbc.connect('Driver={MySQL ODBC 5.1 Driver};Server=127.0.0.1;Port=3306; ... : 'tuple' object is not callable See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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regex - How can I match XML tags and attributes with a regular expression in Perl?

What I need is something like this: /<[wd]+ ([wd]+=[wd])+/>/ Something that would match several attribute key/value pairs. Is that possible? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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856 views

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linux - Using shell script to replace the string in file with another string having special character

I try to replace string in the following file with another string which is having special character like(=,",-) ... /s//$REPLACE/" "tao" See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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885 views

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Java: Check if current date is in specific date range

I am trying to determine in Java whether the current date is within either winter or summer semester. Based ... semesters interval to use? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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924 views

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c++ - Universal header File in C

Like #include <bits/stdc++.h> which replaces all header files in C++ is their a similar header file in C ... can you tell why? (concisely) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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713 views

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java - App crashed after adding navigation menu in Android Studio

Please take a look at my source code, my app crashed after I added the navigation Menu. Can you please tell what ... padding="32dp" /> Thank You See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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928 views

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sql server - IsNull with Equal ¿What does this means?

I have a basic question of SQL What does the IsNull()=0 means in this code? As far as I know, = ... IsNull(costo_gerencias.plde_codigo,0) = 0 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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821 views

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c++ - include<apis/api1/api.h> throws No such file or directory

#include<apis/api1/api.h> throws No such file or directory i even tried moving api.h and api.cc to ... type into the compilers compilation line See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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843 views

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json - Can a password be cracked with this information?

In the screenshot there is a browser cookie with an encrypted seed hex and a salt hex. It is possible to find ... ? Why? Why not? Thanks! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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868 views

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java - Grouping strings from a file

there is a text file, some code is stored there, how can I to group for example the whole for loops, or if, while ... .out.println(s[i]); } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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706 views

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c - Find all primes from 1 million random integers in less than 6 seconds

I'm supposed to improve this code using multithreading to sum and count all prime numbers of one million randomly generated ... ); exit(0); } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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820 views

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java - Why iterators are not a solution for CuncurentModificationException?

I wanted to avoid syncing so I tried to use iterators. The only place where I modify array looks as follows: ... outside of my Track class. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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953 views

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push_back in the vector class in C++

This is a snapshot of my code: int m = 3; int l = 4; int k - 6; std::vector<int> perceptrons; ... . Can anybody see why this is? Thanks See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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863 views

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Python List of Dictionaries by Loops

I have 2 python list of dictionaries: [ {'index':'1','color':'red'}, {'index':'2','color':'blue'}, {'index' ... index': '3', 'color': 'green'} ] See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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read cdata in xml from javascript

<![CDATA[test]]> I am getting blanks. var dataNode=Ext.DomQuery.selectNode('data',xml); console.log( ... ; console.log(dataNode.nodeValue); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Math.ceil not working with negative floats

I am trying to create a RoundUp function with help of Math.ceil it working fine with positive number but do not ... ://jsfiddle.net/n7ecyr7h/1/ See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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Replace every nth character with "-" in java without regex

I am trying to replace every nth character in a string with some special character for e.g "-" so based on value ... (i); } return result; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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831 views

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ecmascript 6 - why javascript const keyword is not working in array?

function home() { const list = ['john', 'adele', 'hary']; list.push('tiger'); return list; } home() / ... keyword is different to Java or CPP?? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

0 votes

784 views

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filter - count on group by on multiple columns and getting the original dataset

2, cornflakes, Regular,General Mills, 12 3, cornflakes, Mixed Nuts, Post, 14 4, chocolate syrup, Regular, ... syrup, Regular, Ghirardeli, 6 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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