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Get first n characters of a string
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good catch! many experienced PHP developer does not know about this function :)
– jroi_web
Aug 13 '15 at 11:24
1
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How to fix/convert space indentation in Sublime Text?
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I have found another way to do this now, but it is language specific. If you have a formatting-plugin like the RubyFormat then you can simply set the desired tab size and then do a reformat of the code. In the case of RubyFormat it would be cmd+shift+R.
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How to remove the focus from a TextBox in WinForms?
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Thanks; I just tried focusing on a label and now the textbox becomes unfocused. It seems you cannot focus on a form for some reason.
– Callum Rogers
Jul 16 '09 at 21:05
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Camera access through browser
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Nice demo for uploading to a server. Anyone know how to modify this to save the picture to a local album on the device?
– K.Niemczyk
Oct 4 '13 at 17:16
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Pretty-Print JSON Data to a File using Python
...None,
headers=None, force_auth_header=True)
# now write output to a file
twitterDataFile = open("twitterData.json", "w")
# magic happens here to make it pretty-printed
twitterDataFile.write(simplejson.dumps(simplejson.loads(output), indent=4, sort_keys=True))
twitterData...
Read a variable in bash with a default value
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I just wrote this comment following a scratched itch. I now have a shell function, which includes the above, and I tend to use that. Shell doesn't seem to loop nicely, so I try to avoid it. I might test the result from my function, and give one more try, but basically, I'm writi...
Multiple cases in switch statement
...ault in Visual Studio 2017/.NET Framework 4.6.2), range-based switching is now possible with the switch statement and would help with the OP's problem.
Example:
int i = 5;
switch (i)
{
case int n when (n >= 7):
Console.WriteLine($"I am 7 or above: {n}");
break;
case in...
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
... the character index). The original vertex ID of the submitted vertices is now our "primitive ID" (remember the GS turned the vertices into quads).
Like this, one could ideally reduce the required vertex bandwith by 75% (amortized), though it would only be able to render a single line. If one want...
How do I set default values for functions parameters in Matlab?
...al('ftrue',inline('0'),1);
i_p.parse(a,b,n,k,T,f,flag,varargin{:});
Now the values passed into the function are available through i_p.Results. Also, I wasn't sure how to validate that the parameter passed in for ftrue was actually an inline function so left the validator blank.
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Hidden Features of SQL Server
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A lot of SQL Server developers still don't seem to know about the OUTPUT clause (SQL Server 2005 and newer) on the DELETE, INSERT and UPDATE statement.
It can be extremely useful to know which rows have been INSERTed, UPDATEd, or DELETEd, and the OUTPUT clause allows to do th...