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Is there a performance difference between i++ and ++i in C++?
...
C t(*this);
++(*this);
return t; // return a copy
}
Every time you call operator++(int) you must create a copy, and the compiler can't do anything about it. When given the choice, use operator++(); this way you don't save a copy. It might be significant in the case of many increm...
Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions prop
...ot on a local Visual Studio. Copy Local copies the referenced DLL at build-time and the DLL is first searched in the same folder as the running application. The problem could persist if you didn't copy the DLL that got copied at build-time to the correct folder on the production server.
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Get current date in milliseconds
... several ways of doing this, although my personal favorite is:
CFAbsoluteTime timeInSeconds = CFAbsoluteTimeGetCurrent();
You can read more about this method here. You can also create a NSDate object and get time by calling timeIntervalSince1970 which returns the seconds since 1/1/1970:
NSTimeI...
How to override the copy/deepcopy operations for a Python object?
... copy.copy and copy.deepcopy before successfully, but this is the first time I've actually gone about overloading the __copy__ and __deepcopy__ methods. I've already Googled around and looked through the built-in Python modules to look for instances of the __copy__ and __deepcopy__ funct...
Set value of textarea in jQuery
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mostly true, although val does take the time to make sure the value you're setting is a string, and attr seems to do a bit more magic overall.
– enobrev
Jan 6 '09 at 6:31
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how to find host name from IP with out login to the host
...ION:
34.34.51.72.in-addr.arpa. 42652 IN PTR sb.lwn.net.
;; Query time: 4 msec
;; SERVER: 192.168.178.1#53(192.168.178.1)
;; WHEN: Fri Jan 25 21:23:40 2013
;; MSG SIZE rcvd: 77
or
$ dig -x 127.0.0.1
; <<>> DiG 9.9.2-P1 <<>> -x 127.0.0.1
;; global options: +cmd
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How to have an auto incrementing version number (Visual Studio)? [duplicate]
I want to store a set of integers that get auto incremented at build time:
9 Answers
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How to change background color in the Notepad++ text editor?
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There seems to have been an update some time in the past 3 years which changes the location of where to place themes in order to get them working.
Previosuly, themes were located in the Notepad++ installation folder. Now they are located in AppData:
C:\Users\YOU...
Fastest way to convert JavaScript NodeList to Array?
...to use it because the first one is just not cross-browser. Even though The Times They Are a-Changin'
@kangax (IE 9 preview)
Array.prototype.slice can now convert
certain host objects (e.g. NodeList’s)
to arrays — something that majority of
modern browsers have been able to do
for qu...
Split List into Sublists with LINQ
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I like this one but time efficiency is O(n²). You can iterate through the list and get an O(n) time.
– hIpPy
Aug 30 '12 at 18:22
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