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Meaning of “[: too many arguments” error from if [] (square brackets)
...following:
I used -e thinking it means "empty" at first; but that means "file exists" - use -z for testing empty variable (string)
String variables need to be quoted
For compound logical AND comparison, either:
use two tests and && them: [ ... ] && [ ... ]
or use the -a operator...
Is it possible dynamically to add String to String.xml in Android?
...
When you want to use a parameter from the actual strings.xml file without using any Java code:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE resources [
<!ENTITY appname "WhereDat">
<!ENTITY author "Oded">
]>
<resources>
<string name="app_n...
When is TCP option SO_LINGER (0) required?
...n has the flavor of a „client“ and has to fetch a huge amount of small files from the same server, you should not initiate a new TCP connection per file and end up in a huge amount of client connections in TIME_WAIT, but keep the connection open and fetch all data over the same connection. Linge...
An error occurred while validating. HRESULT = '8000000A'
...version of Visual Studio installed)
Professional Edition:
C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\IDE\CommonExtensions\Microsoft\VSI\DisableOutOfProcBuild\DisableOutOfProcBuild.exe
Community Edition:
C:\Program Files (x86)\Microsoft Visual Studio\2017\...
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
...ges should be printed to stderr, so that if the user redirects output to a file, information messages are still printed on the screen and not to the output file.
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Insert HTML into view from AngularJS controller
...cript src="lib/angular/angular-sanitize.min.js"></script>
In a js file (controller or usually app.js), include ngSanitize, i.e.:
angular.module('myApp', ['myApp.filters', 'myApp.services', 'myApp.directives', 'ngSanitize'])
...
Drawing text to with @font-face does not work at the first time
...u're loading the css which, in turn, contains a reference to the real font file (e.g., .ttf, .woff, etc). I had to use your trick twice, once for the css file, and once for the referenced font file (.woff) to make sure that everything was loaded.
– magma
Jan 21...
Git status - is there a way to show changes only in a specific directory?
I would like to see a list of files modified since the last commit, as git status shows, but I care only about files located in a single directory. Is there a way to do this? I tried git status <directory> , but it seems this does something completely different (lists all changed files, as ...
Encapsulation vs Abstraction?
...traction. However, there are other uses which just aid in maintainability etc.
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Move existing, uncommitted work to a new branch in Git
...kout a new branch and keep all your changes. You can then stage changes in files to commit with:
git add <files>
and commit to your new branch with:
git commit -m "<Brief description of this commit>"
The changes in the working directory and changes staged in index do not belong to...