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How do I time a method's execution in Java?
...l Duration.between(start, end).getSeconds(). Duration also has methods to convert to other time units, e.g. toMillis() which converts to milliseconds.
– Emil Lunde
May 29 '18 at 13:29
...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...lace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
}, $str);
In case it's UTF-16 based C/C++/Java/Json-style:
$str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
return mb_convert_enco...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
...inal doesn't interpret it as utf8 you end up with garbage. with decode you convert it to unicode, then you can encode it again to an encoding your terminal understands.
– mata
May 12 '12 at 8:29
...
Swapping two variable value without using third variable
...to avoid it by using a temporary variable -- or std::swap()? Sure, you can convert pointers to integers and back again (assuming there's a large enough integer type, which isn't guaranteed), but that's not what you suggested; you implied that pointers are integers, not that they can be converted to ...
How to make exe files from a node.js app?
...k Batch File Compiler (commercial)
BoxedApp Packer
"Advanced" Batch To EXE Converter" (freeware)
Most will require you to keep the batch file as main executable, and then bundle node.exe and your scripts.
Depending on your script, you also have the option to port it to JSDB, which supports an eas...
What is “vectorization”?
...
Vectorization is the term for converting a scalar program to a vector program. Vectorized programs can run multiple operations from a single instruction, whereas scalar can only operate on pairs of operands at once.
From wikipedia:
Scalar approach:
for...
How to get city name from latitude and longitude coordinates in Google Maps?
...g_tag", "Error in http connection " + e.toString());
}
// convert response to string
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8);
StringBuilder sb = new StringBuilder();
String line = null;
...
Automatic Retina images for web sites
...
There's no "good" way to convert in that direction, thus the "where possible". But with the exception of photography sites etc. you're generally going to be creating your art assets so I'd recommend having them done as vectors, which can easily be co...
namespaces for enum types - best practices
...nderstands those new values, but only the old values would be accepted (by converting them down) by the old code. They shouldn't accept any one from those new values as being of the wrong type (the extended one). Only the old values they understand are accepted as being of the correct (base) type (a...
Download a single folder or directory from a GitHub repo
...ia SVN. If you checkout your code with subversion, Github will essentially convert the repo from git to subversion on the backend, then serve up the requested directory.
Here's how you can use this feature to download a specific folder. I'll use the popular javascript library lodash as an example.
...