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Stripping out non-numeric characters in string
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One can simplify it further to return new string(input.Where(char.IsDigit).ToArray()); . I just makes it more readable
– Zapnologica
May 20 '15 at 8:06
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Center HTML Input Text Field Placeholder
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If you want to change only the placeholder style
::-webkit-input-placeholder {
text-align: center;
}
:-moz-placeholder { /* Firefox 18- */
text-align: center;
}
::-moz-placeholder { /* Firefox 19+ */
text-align...
How can I call a custom Django manage.py command directly from a test driver?
...mand execution stuff" and write test without additional requirements.
But if you by some reason cannot decouple logic form command you can call it from any code using call_command method like this:
from django.core.management import call_command
call_command('my_command', 'foo', bar='baz')
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git ignore all files of a certain type, except those in a specific subfolder
...tching file excluded by
a previous pattern will become
included again. If a negated pattern
matches, this will override lower
precedence patterns sources.
http://schacon.github.com/git/gitignore.html
*.json
!spec/*.json
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Taking screenshot on Emulator from Android Studio
... Standard location is the desktop.
Or
Select "More"
Under "Settings", specify the location for your screenshot
Take your screenshot
UPDATE 22/07/2020
If you keep the emulator in Android Studio as possible since Android Studio 4.1 click here to save the screenshot in your standard location:
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How do I choose between Semaphore and SemaphoreSlim?
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One difference is that SemaphoreSlim does not permit named semaphores, which can be system-wide. This would mean that a SemaphoreSlim could not be used for cross-process synchronization.
The MSDN documentation also indicates that...
Round to 5 (or other number) in Python
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If only integers and rounding down, then you can also just do x // base * base
– Tjorriemorrie
Dec 20 '16 at 0:59
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List of Java class file format major version numbers?
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These come from the class version. If you try to load something compiled for java 6 in a java 5 runtime you'll get the error, incompatible class version, got 50, expected 49. Or something like that.
See here in byte offset 7 for more info.
Additional info c...
Recursively add the entire folder to a repository
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Check the .gitignore file, if the subdirectory is ignored.
Then try again
git add --all
git commit -am "<commit message>"
git push
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Repository Pattern Step by Step Explanation [closed]
... available to your unit tests
There are other benefits too, for example, if you were using MySQL and wanted to switch to SQL Server - but I have never actually seen this in practice!
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