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html - Why doesn't Firefox support the MP3 file format in <audio>

Is there a particular reason why Firefox does not support playback of MP3 files in <audio> elements, only Ogg ... to support MP3 playback in <audio> elements? Question&Answers:os...

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

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javascript - looping through an object (tree) recursively

Is there a way (in jQuery or JavaScript) to loop through each object and it's children and grandchildren and so on? ... =='grand'){ //do something } loop end Question&Answers:os...

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

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javascript - Remove items from array with splice in for loop

This question already has answers here: Question&Answers:os...

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

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screen - .NET Equivalent of Snipping Tool

I'm looking for .NET code which performs the same as Snipping Tool - capturing a screen area. I ... s missing some important files for proper compilation. Question&Answers:os...

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

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c++ - Return a 2d array from a function

Hi I am a newbie to C++ I am trying to return a 2d array from a function. It is something like this int **MakeGridOfCounts( ... , {0, }, {0, }}; return cGrid; } Question&Answers:os...

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

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security - preventing csrf in php

Requiring authentication in GET and POST parameters, not only cookies; Checking the HTTP Referer header; saw ... what? stored information? expected type? Question&Answers:os...

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

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484 views

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javascript - Generating non-repeating random numbers in JS

I have the following function function randomNum(max, used){ newNum = Math.floor(Math.random() * max + 1); ... way to make sure my numbers are not repeating? Question&Answers:os...

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

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sql - Limit on the WHERE col IN (...) condition

I'm using the following code: SELECT * FROM table WHERE Col IN (123,123,222,....) However, if I put more ... if there's a size limit or anything similar?!! Question&Answers:os...

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

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Bootstrap Fluid grid system with different height

I am new in Bootstrap. I want to use the fluid grid system grid with different height and same width like the ... How can i implement the same? Please help me. Question&Answers:os...

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

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flutter - The argument type 'String' can't be assigned to the parameter type 'Uri'

I am trying to make an HTTP POST request with the flutter plugin HTTP but I am getting an error ... authorizationCode, "grant_type": "authorization_code" }); Question&Answers:os...

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

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scrape html generated by javascript with python

I need to scrape a site with python. I obtain the source html code with the urlib module, but I need to scrape ... the url I get a 403 error. Any suggestions? Question&Answers:os...

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

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android - ClassNotFoundException after ADT update

I've recently updated Android SDK & Eclipse ADT plugin to latest version. Now when i try to run a pre-existing ... myapp.apk. Can someone tell me how to fix? Question&Answers:os...

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

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postgresql - Convert hex in text representation to decimal number

I am trying to convert hex to decimal using PostgreSQL 9.1 with this query: SELECT to_number('DEADBEEF', ' ... numeric: " " What am I doing wrong? Question&Answers:os...

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

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227 views

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internet explorer - JavaScript: Which browsers support parsing of ISO-8601 Date String with Date.parse

I failed to parse an ISO-8601 date "2011-04-26T13:16:50Z" on IE8 and Safari 5, but it worked on Chrome 10, FF4. ... var d = Date.parse("2011-04-26T13:16:50Z"); Question&Answers:os...

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

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java - Jersey /* servlet mapping causes 404 error for static resources

If I map Jersey's url-pattern to /* in the 2.0 release it causes 404 for all static resources (e.g. / ... How do I serve static content with same url pattern? Question&Answers:os...

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

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c++ - Type of integer literals not int by default?

I just answered this question, which asked why iterating until 10 billion in a for loop takes so much longer ... also appreciate C++ answers, if any different. Question&Answers:os...

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

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scope - What is the correct term for variable shadowing in JavaScript?

Below we have an IIFE which (like any function) creates a local scope. Inside that scope there is a ... (common) name for this? Overshadowing? Overloading? Question&Answers:os...

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

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java - Simplest way to set image as JPanel background

How would I add the backgroung image to my JPanel without creating a new class or method, but simply by inserting ... , null); //Set Return return gamePanel; } Question&Answers:os...

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

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304 views

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bash - "~/Desktop/test.txt: No such file or directory"

I've written this script: #!/bin/bash file="~/Desktop/test.txt" echo "TESTING" > $file The script doesn't ... No such file or directory What am I doing wrong? Question&Answers:os...

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

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r - Position geom_text on dodged barplot

I tried to make the title self-explanatory, but here goes - data first: dtf <- structure(list(variable = ... but how to position them correctly on x-axis? Question&Answers:os...

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

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178 views

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javascript - Setting HTML5 audio position

How to jump to certain time offsets in HTML5 Audio elements? They say you can simply set their currentTime ... are similar questions, although, no answers. Question&Answers:os...

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

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119 views

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c++ - Alternative to vector<bool>

As (hopefully) we all know, vector<bool> is totally broken and can't be treated as a C array. What ... { bool the_bool; }; vector<my_bool> haha_i_tricked_you; Question&Answers:os...

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

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Using JsonConvert.DeserializeObject to deserialize Json to a C# POCO class

Here is my simple User POCO class: /// <summary> /// The User class represents a Coderwall User. /// </ ... can I try to deserialize JSON into this POCO class? Question&Answers:os...

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

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109 views

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sql - Delete from two tables in one query

I have two tables in MySQL #messages table : messageid messagetitle . . #usersmessages table usersmessageid messageid ... are not accomplishing this task . Question&Answers:os...

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

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293 views

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Javascript toFixed Not Rounding

I'm using javascript to bind to some checkboxes, and the toFixed(2) is not rounding up. Any ideas why it' ... ; $('#hTotalDeposit').val(currDeposit.toFixed(2)); Question&Answers:os...

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

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320 views

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r - Generate list of all possible combinations of elements of vector

I am trying to generate all possible combinations of 0 and 1's in a vector of length 14. Is there an easy way of getting that ... 0,1,0), (0,1,1), (0,0,0) Question&Answers:os...

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

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205 views

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JQuery: Remove duplicate elements?

Say I have a list of links with duplicate values as below: <a href="#">Book</a> <a href="#">Magazine< ... any duplicate values found and show 1 of each link. Question&Answers:os...

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

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386 views

1 answer

html - Make absolute positioned div expand parent div height

As you can see in the CSS below, I want child2 to position itself before child1. This is because the site I ... there exist a non-JavaScript way of doing this. Question&Answers:os...

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

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