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What is the difference between print and puts?
... There is another thing ... extend the array class and override the to_s method. puts doesn't use the new to_s for an object of your new class while print does
– kapv89
Oct 28 '12 at 18:30
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How to check if a string is a valid date
...ems to be very forgiving when it comes to dates, e.g. it will parse "FOOBAR_09_2010" as the date 2012-09-09.
– n13
Nov 4 '13 at 12:00
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How can I write output from a unit test?
...cing that if your string has curly braces in it, the method blows up. So "_testContext.WriteLine("hello");" works but "_testContext.WriteLine("he{ll}o");" fails with "System.FormatException: Input string was not in a correct format."
– Mike K
Jul 20 '17 at 21:...
How to create new tmux session if none exists
...ause with a small tweak this works with named sessions: tmux attach -t some_name || tmux new -s some_name. Change some_name to $1 add a shebang, and save.
– Cheezmeister
Jan 9 '14 at 4:48
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How can I remove a character from a string using Javascript?
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var mystring = "crt/r2002_2";
mystring = mystring.replace('/r','/');
will replace /r with / using String.prototype.replace.
Alternatively you could use regex with a global flag (as suggested by Erik Reppen & Sagar Gala, below) to replace all o...
Return index of greatest value in an array
...
If you are utilizing underscore, you can use this nice short one-liner:
_.indexOf(arr, _.max(arr))
It will first find the value of the largest item in the array, in this case 22. Then it will return the index of where 22 is within the array, in this case 2.
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@try - catch block in Objective-C
...t length] - 1);
}
@finally {
NSLog(@"Finally condition");
}
Log:
[__NSCFConstantString characterAtIndex:]: Range or index out of bounds
Char at index 5 cannot be found
Max index is: 3
Finally condition
share
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How to delete items from a dictionary while iterating over it?
...over mydict as usual, saving the keys to delete in a seperate collection to_delete. When you're done iterating mydict, delete all items in to_delete from mydict. Saves some (depending on how many keys are deleted and how many stay) space over the first approach, but also requires a few more lines.
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How can I configure the font size for the tree item in the package explorer in Eclipse?
...sterity. Create a file named, say, gtkrc-eclipse:
style "eclipse" {
font_name = "Sans Condensed 8"
}
class "GtkWidget" style "eclipse"
Then set a certain environment variable when invoking eclipse:
$ GTK2_RC_FILES=gtkrc-eclipse eclipse
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总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast简单总结：1)const_cast：移除const属性。2)static_cast：强转，与C类型转换类似，不检查类型来保证转换安全。也可用于指针的父类到子类的...简单总结：
1) const_cast：移除const属性。
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