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How do I test if a variable is a number in Bash?
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How to list of all the tables defined for the database when using active record?
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Call ActiveRecord::ConnectionAdapters::SchemaStatements#tables. This method is undocumented in ...
How to cancel a Task in await?
...= new CancellationTokenSource();
source.CancelAfter(TimeSpan.FromSeconds(1));
Task<int> task = Task.Run(() => slowFunc(1, 2, source.Token), source.Token);
// (A canceled task will raise an exception when awaited).
await task;
}
private int slowFunc(int a, int b, CancellationToken ...
How do I strip non alphanumeric characters from a string and keep spaces?
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189
Add spaces to the negated character group:
@search_query = @search_query.gsub(/[^0-9a-z ]/i, ...
iOS 7 status bar back to iOS 6 default style in iPhone app?
...ay confuse you into thinking you are a clever developer who bypassed rule #1, but you are mistaken. The navigation bar is still 64 points tall. Embedding a UINavigationController in a slide-to-reveal style view hierarchy makes this abundantly clear.
Beware of the confusingly-named edgesForExtendedLa...
Encoding Javascript Object to Json string
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163
Unless the variable k is defined, that's probably what's causing your trouble. Something like...
Using str_replace so that it only acts on the first match?
...preg_quote($from, '/').'/';
return preg_replace($from, $to, $content, 1);
}
echo str_replace_first('abc', '123', 'abcdef abcdef abcdef');
// outputs '123def abcdef abcdef'
The magic is in the optional fourth parameter [Limit]. From the documentation:
[Limit] - The maximum possible
rep...
“aapt” IOException error=2, No such file or directory" why can't I build my gradle on jenkins?
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I had the following similar error on Ubuntu 13.10:
Cannot run program "/usr/local/android-sdk-linux/build-tools/19.0.3/aapt": error=2, No such file or directory
And this answer fixed it for me:
To get aapt working (this fixed my issues with the avd as well) just ...
IISExpress Log File Location
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1 . By default applicationhost.config file defines following two log file locations. Here IIS_...