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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
...n the Heap.
The references to both will be in the thread's stack.
http://www.journaldev.com/797/what-is-java-string-pool gives a clear insight into how this is achieved
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Measuring execution time of a function in C++
...in which he explains why.
Also there is a very good library from google - https://github.com/google/benchmark.
This library is very simple to use and powerful. You can checkout some lectures of Chandler Carruth on youtube where he is using this library in practice. For example CppCon 2017: Chandler...
How to get RelativeLayout working with merge and include?
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There is an issue with the include tag. Check: https://issuetracker.google.com/issues/36908001
To fix it, make sure you overwrite BOTH layout_width and layout_height when including, otherwise everything will be ignored.
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How to check whether a script is running under Node.js?
...ion:
function (exports, require, module, __filename, __dirname) {
See: https://github.com/ry/node/blob/master/src/node.js#L325
But don't try to detect that via some crazy arguments.callee.toString() stuff, instead just use my example code above which checks for the Browser. Node.js is a way cle...
How do you automate Javascript minification for your Java web applications?
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I think one of the best and right tool for the job is wro4j Check out https://github.com/wro4j/wro4j
It does everything you need:
Keep project web resources (js & css) well organized
Merge & minify them at run-time (using a simple filter) or build-time (using maven plugin)
Free and o...
When is JavaScript's eval() not evil?
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Well, use HTTPS, then. OTOH: man-in-the-middle is not the typical attack scenario for the garden variety web app, whereas i.e. cross-site-scripting is.
– Tomalak
Dec 15 '09 at 18:50
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
... like = and =~.
In Bashese: [ is a built-in command, and [[ is a keyword: https://askubuntu.com/questions/445749/whats-the-difference-between-shell-builtin-and-shell-keyword
<
[[ a < b ]]: lexicographical comparison
[ a \< b ]: Same as above. \ required or else does redirection like for...
How to write a Unit Test?
...low:
I hope it helps. You can see the structure of the project in GitHub https://github.com/m-vahidalizadeh/problem_solving_project.
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How can I debug git/git-shell related problems?
...ssh to validate your credentials, e.g.
ssh -vvvT git@github.com
or over HTTPS port:
ssh -vvvT -p 443 git@ssh.github.com
Note: Reduce number of -v to reduce the verbosity level.
Examples
$ GIT_TRACE=1 git status
20:11:39.565701 git.c:350 trace: built-in: git 'status'
$ GIT_TR...
Python vs Cpython
...interpreter).
NOTE: I got the link to this code from #python IRC channel: https://gist.github.com/nedbat/e89fa710db0edfb9057dc8d18d979f9c
And then, there is Jython, which is written in Java and ends up producing Java byte code. The Java byte code runs on Java Runtime Environment, which is an imple...