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Is using 'var' to declare variables optional? [duplicate]
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Automatic global variables are removed from ECMAScript 5 strict mode, which is basically an implicit deprecation. Hopefully implementations will give a warning if you forget var in non-strict mode.
– Matthew Crumley
Mar 21 '1...
Example of UUID generation using Boost in C++
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Learn from me and make generators thread local. They're very expensive to seed
– James
Mar 7 at 23:21
add ...
css label width not taking effect
...and so they don't take a width. Maybe try using "display: block" and going from there.
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Convert list to tuple in Python
... do:
t = *l, # or t = (*l,)
short, a bit faster but probably suffers from readability.
This essentially unpacks the list l inside a tuple literal which is created due to the presence of the single comma ,.
P.s: The error you are receiving is due to masking of the name tuple i.e you assign...
Make page to tell browser not to cache/preserve input values
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From a Stack Overflow reference
It did not work with value="" if the browser already saves the value so you should add.
For an input tag there's the attribute autocomplete you can set:
<input type="text" autocomplete="o...
How do I find the number of arguments passed to a Bash script?
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to add the original reference:
You can get the number of arguments from the special parameter $#. Value of 0 means "no arguments". $# is read-only.
When used in conjunction with shift for argument processing, the special parameter $# is decremented each time Bash Builtin shift is executed....
Does Git Add have a verbose switch
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From the other answer I see there's a way to make it tell you what's happening, but I suggest you to get used without the -v parameter, the default behaviour is more practical (and it's faster to type).
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HttpServletRequest - how to obtain the referring URL?
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From the Java EE API docs for the method getHeader(String name) (quote): "The header name is case insensitive."
– informatik01
May 25 '13 at 21:48
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Variable declaration in a C# switch statement [duplicate]
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As someone who's coming from the VB world, this is one of the reasons I kinda hate the switch statement. Other reasons include having to break; after each case, and that there's no equivalent for things like Case 1, 2, 3, Case 4 To 10, or Case Is &g...
Difference between . and : in Lua
...t increased a counter, logged something to a file or deleted a random user from your database. There's a big difference between doing that twice or only once. In this case, there's a clear difference between obj.method(obj, etc) and obj:method(etc).
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