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How to use base class's constructors and assignment operator in C++?
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How to get the last N records in mongodb?
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Look under Querying: Sorting and Natural Order, http://www.mongodb.org/display/DOCS/Sorting+and+Natural+Order
as well as sort() under Cursor Methods
http://www.mongodb.org/display/DOCS/Advanced+Queries
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Captured variable in a loop in C#
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I believe what you are experiencing is something known as Closure http://en.wikipedia.org/wiki/Closure_(computer_science). Your lamba has a reference to a variable which is scoped outside the function itself. Your lamba is not interpreted until you invoke it and once it is it will get the v...
ipython: print complete history (not just current session)
...ython_history.md to output the history (input and output) to a text file. (http://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-history)
Then you can use the the get_session_info function to retreive the date and time for the session you are interested in.(http://ipython.readthedoc...
IntelliJ IDEA JDK configuration on Mac OS
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Parse query string in JavaScript [duplicate]
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Me too! http://jsfiddle.net/drzaus/8EE8k/
(Note: without fancy nested or duplicate checking)
deparam = (function(d,x,params,p,i,j) {
return function (qs) {
// start bucket; can't cheat by setting it in scope declaration or it o...
Hidden features of C
...iltin_expect((x),1)
#define unlikely(x) __builtin_expect((x),0)
see: http://kerneltrap.org/node/4705
What I like about this is that it also adds some expressiveness to some functions.
void foo(int arg)
{
if (unlikely(arg == 0)) {
do_this();
return;
}
do_t...
How to check which version of v8 is installed with my NodeJS?
... npm version (don't know since when this is available)
> npm version
{ http_parser: '1.0',
node: '0.10.35',
v8: '3.14.5.9',
ares: '1.9.0-DEV',
uv: '0.10.30',
zlib: '1.2.8',
modules: '11',
openssl: '1.0.1j',
npm: '1.4.28',
xsjs: '0.1.5' }
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C++ display stack trace on exception
...or some helpful code, take a look at cahit beyaz's answer, which points to http://stacktrace.sourceforge.net - I haven't used it yet but it looks promising.
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How to check whether a string is a valid HTTP URL?
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Try this to validate HTTP URLs (uriName is the URI you want to test):
Uri uriResult;
bool result = Uri.TryCreate(uriName, UriKind.Absolute, out uriResult)
&& uriResult.Scheme == Uri.UriSchemeHttp;
Or, if you want to accept both HT...