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Conveniently Declaring Compile-Time Strings in C++
... static_assert(my_string.size() == 13, "");
static_assert(my_string[4] == 'o', "");
constexpr str_const my_other_string = my_string;
static_assert(my_string == my_other_string, "");
constexpr str_const world(my_string, 7, 5);
static_assert(world == "world", "");
// constexpr ...
Regular Expressions- Match Anything
... Tim PietzckerTim Pietzcker
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Any way to properly pretty-print ordered dictionaries?
..., but it looks nice and keeps the order.
import json
pprint(data, indent=4)
# ^ugly
print(json.dumps(data, indent=4))
# ^nice
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How to assign a Git SHA1's to a file without Git?
...For example, the hash of an empty file:
sha1("blob 0\0") = "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"
$ touch empty
$ git hash-object empty
e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
Another example:
sha1("blob 7\0foobar\n") = "323fae03f4606ea9991df8befbb2fca795e648fa"
$ echo "foobar" > foo.t...
How to make an OpenGL rendering context with transparent background?
..."WS_EX_LAYERED OpenGL");
HDC hDC;
HGLRC m_hrc;
int w(240);
int h(240);
HDC pdcDIB;
HBITMAP hbmpDIB;
void *bmp_cnt(NULL);
int cxDIB(0);
int cyDIB(0);
BITMAPINFOHEADER BIH;
BOOL initSC()
{
glEnable(GL_ALPHA_TEST);
...
What are JavaScript's builtin strings?
...hat piece of code just for fun in order to send it to my wife on February 14 :) Having only Chrome installed on the laptop I had no options to check how it works in Firefox and IE. Moreover, I haven't really expected that toString() representation of build-in methods might look differently in other ...
How do I debug an MPI program?
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edited Nov 24 '19 at 7:58
jkmartindale
30422 gold badges44 silver badges1818 bronze badges
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Preferred method to store PHP arrays (json_encode vs serialize)
...By default, only public properties are serialized with JSON. (in PHP>=5.4 you can implement JsonSerializable to change this behavior).
JSON is more portable
And there's probably a few other differences I can't think of at the moment.
A simple speed test to compare the two
<?php
ini_set('d...
How to delete a folder with files using Java
...Francesco Menzani said.
– EN20
Sep 14 '15 at 7:34
4
Be VERY careful. If index is a symbolic link...
When should I use the HashSet type?
...n item is a member.
Asking if you can retrieve a single element (e.g. set[45]) is misunderstanding the concept of the set. There's no such thing as the 45th element of a set. Items in a set have no ordering. The sets {1, 2, 3} and {2, 3, 1} are identical in every respect because they have the sa...