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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved

... deployed with this application That URI is for JSTL 1.0, but you're actually using JSTL 1.2 which uses URIs with an additional /jsp path (because JSTL, who invented EL expressions, was since version 1.1 integrated as part of JSP in order to share/reuse the EL logic in plain JSP too). So, fix the...
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Start ssh-agent on login

...a remote Git repo pulling from Bitbucket.com using an SSH alias. I can manually start the ssh-agent on my server but I have to do this every time I login via SSH. ...
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C/C++ check if one bit is set in, i.e. int variable

...if you want to hide bit manipulation, you can write a macro: #define CHECK_BIT(var,pos) ((var) & (1<<(pos))) and use it this way to check the nth bit from the right end: CHECK_BIT(temp, n - 1) In C++, you can use std::bitset. ...
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OS X Bash, 'watch' command

...ulate the basic functionality with the shell loop: while :; do clear; your_command; sleep 2; done That will loop forever, clear the screen, run your command, and wait two seconds - the basic watch your_command implementation. You can take this a step further and create a watch.sh script that can...
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What does Connect.js methodOverride do?

...en you can use app.delete and app.put in Express instead of using app.post all the time (thus more descriptive, verbose): Backend: // the app app.put('/users/:id', function (req, res, next) { // edit your user here }); Client logic: // client side must be.. <form> ... <input type=...
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Which regular expression operator means 'Don't' match this character?

*, ?, + characters all mean match this character. Which character means 'don't' match this? Examples would help. 4 Answers...
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How to initialize static variables

... I love PHP, but it's really odd sometimes. – Marco Demaio Nov 10 '11 at 21:46 6 ...
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Why do we need the “finally” clause in Python?

I am not sure why we need finally in try...except...finally statements. In my opinion, this code block 14 Answers ...
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How to solve the error LNK2019: unresolved external symbol - function?

...l but have not declared that class itself as import/export. #ifdef MYDLL_EXPORTS #define DLLEXPORT __declspec(dllexport) #else #define DLLEXPORT __declspec(dllimport) #endif class DLLEXPORT Book // <--- this class must also be declared as export/import { public: Book(); ...
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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox

... the OPTIONS request and then immediately after that the POST/GET def send_data(request): if request.method == "OPTIONS": response = HttpResponse() response['Access-Control-Allow-Origin'] = '*' response['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS' resp...