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RegEx for matching UK Postcodes
...and are outlined in this Wikipedia article.
Here are complex regexes that include the subsections of 3. (3.1, 3.2, 3.3).
In relation to the patterns in 1. Fixing the UK Government's Regex:
See regex in use here
^(([A-Z][A-HJ-Y]?\d[A-Z\d]?|ASCN|STHL|TDCU|BBND|[BFS]IQQ|PCRN|TKCA) ?\d[A-Z]{2}|BFPO ...
Apply a function to every row of a matrix or a data frame
...ge of these apply kinds of functions. It also provides more functionality, including parallel processing.
– Paul Hiemstra
Nov 30 '11 at 13:29
6
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What exactly is a reentrant function?
...ve a C++ function that takes both a lock, and a callback as a parameter:
#include <mutex>
typedef void (*callback)();
std::mutex m;
void foo(callback f)
{
m.lock();
// use the resource protected by the mutex
if (f) {
f();
}
// use the resource protected by the ...
How can I test https connections with Django as easily as I can non-https connections using 'runserv
... that uses this key (this will ask you a bunch of information that will be included in the certficate - just answer with whatever feels good to you):
openssl req -new -x509 -nodes -sha1 -days 365 -key stunnel.key > stunnel.cert
Now combine these into a single file that stunnel will use for its...
Include jQuery in the JavaScript Console
Is there an easy way to include jQuery in the Chrome JavaScript console for sites that do not use it? For example, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery.
...
Mongodb Explain for Aggregation framework
...For example, MongoDB 3.4 added many new aggregation stages and expressions including support for working with arrays, strings, and facets.
There are also a number of Aggregation Pipeline Optimizations that automatically happen depending on your MongoDB server version. For example, adjacent stages ...
What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...stall /path/to/build --prefix /path/to/install [--config <CONFIG>]
Include --config if you're using a multi-config generator like Visual Studio.
In prior versions, you could execute the cmake_install.cmake script:
$ cd build
$ cmake -DCMAKE_INSTALL_PREFIX=/path/to/install -P cmake_instal...
How do I do base64 encoding on iOS?
...ms to encode, and about 140ms to decode.
The code for the entire library (including the Base64 Methods) are available on GitHub.
Or alternatively, if you want the code to just the Base64 methods themselves, I've posted it here:
First, you need the mapping tables:
static const char _base64Encodin...
Best TCP port number range for internal applications [closed]
... 48042, and just use it, declaring that any other software on those boxes (including any added in the future) has to keep out of your way.
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How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
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Using trailing return syntax make_array can be further simplified
#include <array>
#include <type_traits>
#include <utility>
template <typename... T>
auto make_array(T&&... t)
-> std::array<std::common_type_t<T...>, sizeof...(t)>
{
return {...