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filtering NSArray into a new NSArray in Objective-C
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84
I listened to Papa Smurf's podcast and Papa Smurf said answers should live in StackOverflow so the community can rate and improve them.
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boost::flat_map and its performance compared to map and unordered_map
... stabilize it).
2) RDTSC accuracy measure
I also recommend doing this:
u64 g_correctionFactor; // number of clocks to offset after each measurement to remove the overhead of the measurer itself.
u64 g_accuracy;
static u64 const errormeasure = ~((u64)0);
#ifdef _MSC_VER
#pragma intrinsic(__rdts...
How do I decode HTML entities in Swift?
...; 5 &amp; 3 &gt; 2 .</strong> Price: 12 &#x20ac;. &#64; "
let decoded = CFXMLCreateStringByUnescapingEntities(nil, encoded, nil) as String
println(decoded)
// <strong> 4 < 5 & 3 > 2 .</strong> Price: 12 €. @
but this is not available on iOS.
Here i...
What's the difference between eval, exec, and compile?
... = '42 * a'
>>> result = eval(my_calculation)
>>> result
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exec and eval both accept the program/expression to be run either as a str, unicode or bytes object containing source code, or as a code object which contains Python bytecode.
If a str/unicode/bytes containing source c...
Calling C/C++ from Python?
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Ben HoffsteinBen Hoffstein
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add...
Bootstrap modal appearing under background
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madi
5,29844 gold badges3131 silver badges4747 bronze badges
answered Nov 14 '14 at 10:18
SidSid
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Send attachments with PHP Mail()?
...;
$content = file_get_contents($file);
$content = chunk_split(base64_encode($content));
// a random hash will be necessary to send mixed content
$separator = md5(time());
// carriage return type (RFC)
$eol = "\r\n";
// main header (multipart mandatory)
$headers = ...
How to write a large buffer into a binary file in C++, fast?
...gt;
#include <iostream>
#include <cassert>
std::vector<uint64_t> GenerateData(std::size_t bytes)
{
assert(bytes % sizeof(uint64_t) == 0);
std::vector<uint64_t> data(bytes / sizeof(uint64_t));
std::iota(data.begin(), data.end(), 0);
std::shuffle(data.begin(), ...
JS - get image width and height from the base64 code
I have a base64 img encoded that you can find here . How can I get the height and the width of it?
4 Answers
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Creating a dictionary from a csv file?
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84
Open the file by calling open and then csv.DictReader.
input_file = csv.DictReader(open("coors...