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Anybody know what the max number of items in a List is? How do I increase that size? Or is there a collection ... 2.2 are in use. Sound normal See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to stop an animated gif from looping

I have an animated gif in an img tag that I start by rewriting the src attribute. The gif was created, ... gif from playing more than once? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - std::vector removing elements which fulfill some conditions

As the title says I want to remove/merge objects in a vector which fulfill specific conditions. I mean I ... at least the specified threshold. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to detect CSS3 resize events

The CSS3 resize property can be assigned to arbitrary elements. I'm looking for a way to detect such a ... mozilla.org/show_bug.cgi?id=701648 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Merging two lists in Haskell

Can't figure out how to merge two lists in the following way in Haskell: INPUT: [1,2,3,4,5] [11,12,13,14] OUTPUT: [1,11,2,12,3,13,4,14,5] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to unsubscribe from an event which uses a lambda expression?

I have the following code to let the GUI respond to a change in the collection. myObservableCollection. ... anonymous method again)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Use of null statement in C

What are typical uses of null statement ; in C ? I know that it is basically used to skip expression where ... world examples of such use cases. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Cannot change global variables in a function through an exec() statement?

Why can I not change global variables from inside a function, using exec()? It works fine when the assignment ... >>> print(myvar) test See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Check if a row exists using old mysql_* API

I just want to check and see if a row exists where the $lectureName shows. If a row does exist with the ... even when it should return assigned. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Event when input value is changed by JavaScript?

What is the event when an <input> element's value is changed via JavaScript code? For example: $input.value = 12; The ... so it can't lose it)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - JSON dumps custom formatting

I'd like to dump a Python dictionary into a JSON file with a particular custom format. For example, the following ... not get me very far). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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OverflowError Python int too large to convert to C long

#!/usr/bin/python import sys,math n = input("enter a number to find the factors : ") j,flag,b= 0l,False, ... am using Ubuntu with python 2.7.5+ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Infinite for loops possible in Python?

Is it possible to get an infinite loop in for loop? My guess is that there can be an infinite for loop ... to know this for future references. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android runtime permissions- how to implement

Android Developer Documentation gives this example of requesting permissions at runtime: // Here, thisActivity is the ... does not help me. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Raw Sockets on Android

I want to create an application that runs on Android and uses Raw Sockets. I see there isn't any raw ... Are raw sockets possible on Android? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql5 - MySQL database with unique fields ignored ending spaces

My projects requires to start inputs from the user with the spacing on the left and spacing on the ... DEFAULT CHARSET=utf8 COLLATE=utf8_bin See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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contactscontract - Retrieve Contact Phone Number From URI in Android

I am trying to get the contact's phone number after I have retrieved their ID number from the built-in ... appreciated. Thank you so much! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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assembly - what does "mov offset(%rip), %rax" do?

Does rax get offset plus the address of this instruction, or the next? From a microcode point of view it ... answer was the next instruction. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Piping in a file on the command-line using System.Diagnostics.Process

I'm trying to run a command-line program and piping in a file. The command works fine on the command-line, but ... to see what I'm doing wrong. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Firebase sort by points depending on date

I am trying to add a monthly scoreboard but it seems to be a little bit difficult to me. I don't know how ... Toast.LENGTH_LONG).show(); } }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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flutter - Getting permission to the external storage (file_provider plugin)

I'm having some problems getting permissions to the external storage on android devices with flutter. When I try to ... error. Hope to hear! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Is it possible to call Ant or NSIS scripts from Java code?

Is it possible to call Ant or NSIS scripts programmatically from Java code at runtime? If so, how? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Odd even number printing using thread

Odd even number printing using thread.Create one thread class, two instance of the thread. One will print the odd ... !! Thanks for your help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to Split a mathematical expression on operators as delimiters, while keeping them in the result?

I need to split an expression like a+b-c*d/e and get a, b, c, d, e seperately(as array of strings) as ... it shows an error. How to solve it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Redirecting back to actual page what they were viewing before login

If my user is redirected to a login page, how to make it so that, after they log in, they get redirected to ... (the one they first clicked on)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Getting Date or Time only from a DateTime Object

I have a DateTime instance that has a Date and a Time. How do I extract only the date or only the time? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Func delegate with ref variable

public object MethodName(ref float y) { //method } How do I defined a Func delegate for this method? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - MySQL LIKE query with underscore

I have the following table images: +----+--------------+ | id | img_path | +----+-------------- ... = 1 & 2 ( which img_path starts with abc_) ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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