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Python : List of dict, if exists increment a dict value, if not append a new dict
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The second version is good since I can convert the dict as a list after.
– Natim
Nov 7 '09 at 8:32
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Adding an identity to an existing column
...t can also be used in non-partitioned tables too.
I've used this trick to convert, in under 5 seconds, a column of a of a 2.5 billion row table from IDENTITY to a non-IDENTITY (in order to run a multi-hour query whose query plan worked better for non-IDENTITY columns), and then restored the IDENTIT...
Scala: List[Future] to Future[List] disregarding failed futures
I'm looking for a way to convert an arbitrary length list of Futures to a Future of List. I'm using Playframework, so ultimately, what I really want is a Future[Result] , but to make things simpler, let's just say Future[List[Int]] The normal way to do this would be to use Future.sequence(...) ...
How to securely save username/password (local)?
...encrypt a piece of data, use ProtectedData.Protect():
// Data to protect. Convert a string to a byte[] using Encoding.UTF8.GetBytes().
byte[] plaintext;
// Generate additional entropy (will be used as the Initialization vector)
byte[] entropy = new byte[20];
using(RNGCryptoServiceProvider rng = n...
Optional Parameters with C++ Macros
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You could get a clear compilation error if you converted the selected argument which is supposed to be a MACRO name to string using # (the pound sign) and compared it's first n characters with the expected prefix and if there is no match, printed an informative error.
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How to use the same C++ code for Android and iOS?
...e by steps
Our sample is a simple app that you send a text to CPP, and it converts that text to something else and returns it. The idea is, iOS will send "Obj-C" and Android will send "Java" from their respective languages, and the CPP code will create a text as a follow "cpp says hello to <<...
How do I print to the debug output window in a Win32 app?
...fer
swprintf(text_buffer, _countof(text_buffer), L"%d", your.variable); // convert
OutputDebugString(text_buffer); // print
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What's the difference between “static” and “static inline” function?
... put to perform the call. inline will essentially instruct the compiler to convert the code above into an equivalent of:
int i;
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for (i=0; i<999999; i = i+1) { /* do something here */};
Skipping the actual function call and return
Obviously this is an example to show the point, not a r...
How to detect scroll position of page using jQuery
...Scroll.ClientID %>").val($(window).scrollTop());
});
});
var prm = Sys.WebForms.PageRequestManager.getInstance();
prm.add_endRequest(function () {
$(window).scrollTop($("#<%=hidScroll.ClientID %>").val());
$(window).scroll(function (event) {
$("#<%=hidScroll.Clien...
Where can I get a “useful” C++ binary search algorithm?
... T and the type after ForwardIt is dereferenced
// must be implicitly convertible to BOTH Type1 and Type2, used in Compare.
// This is stricter than lower_bound requirement (see above)
first = std::lower_bound(first, last, value, comp);
return first != last && !comp(value,...