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Explode PHP string by new line
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430
Best Practice
As mentioned in the comment to the first answer, the best practice is to use the ...
How to check if a variable is set in Bash?
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answered Dec 13 '12 at 17:04
LionelLionel
24.7k11 gold badge1313 silver badges55 bronze badges
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Compile Views in ASP.NET MVC
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answered Apr 10 '13 at 21:26
MirkoMirko
4,15411 gold badge1919 silver badges1919 bronze badges
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FB OpenGraph og:image not pulling images (possibly https?)
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105
I ran into the same problem and reported it as a bug on the Facebook developer site. It seems p...
What's the difference between a proc and a lambda in Ruby?
...ed.
An example:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodError: undefined method `**' for nil:NilClass
p.call 1, 2, 3 # => 5
l = lambda {|a, b| puts a**2+b**2 } # => #<Proc:0x15016c@(irb):5 (lambda)>
l....
Dismiss keyboard by touching background of UITableView
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203
This is easily done by creating a UITapGestureRecognizer object (by default this will detect a ...
How to find out if an item is present in a std::vector?
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edited Apr 4 '19 at 10:57
varsh
18311 silver badge1010 bronze badges
answered Feb 20 '09 at 22:00
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UITableview: How to Disable Selection for Some Rows but Not Others
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503
You just have to put this code into cellForRowAtIndexPath
To disable the cell's selection prop...
How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
...te of a CRLF byte pair. This is usually the case. You then use:
tr -d '\015' <DOS-file >UNIX-file
Note that the name DOS-file is different from the name UNIX-file; if you try to use the same name twice, you will end up with no data in the file.
You can't do it the other way round (with s...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...tParam(aParam)
{
var strPresent = "Parameter is : " + (aParam.length>0 ? "Present": "Not present");
return strPresent;
}
The same technique may be used in VBScript. This allows you to detect variable length argument at run time. To call a function without argument, a SAFERRAY is creat...