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When someone writes a new programming language, what do they write it IN?
...chine language, converting a grammar specification to C code for a parser, etc. Its designer specifies the structure of the source format (parsing), what those structures mean, how to simplify the data (optimizing), and the kind of output to generate. Interpreters read the source and execute it dire...
How to determine the memory footprint (size) of a variable?
...libjudydebian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-available/memprof.ini
sudo php5enmod memprof
service apache2 restart
And then in my code:
<?php
memprof_enable();
// do your stuff
memprof_dump_callgrind(fopen("/tmp/callgrind.out", "w"));
Finally open the ...
How to create directories recursively in ruby?
...it with the Ruby standard library to get error handling, check the result, etc.
– noraj
Oct 7 '19 at 21:31
add a comment
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System.currentTimeMillis vs System.nanoTime
...urrentTimeMillis will not (e.g. if you change the date, hit a leap second, etc.) This is an extremely important distinction for some types of systems.
– charstar
Apr 10 '11 at 10:32
...
Find out what process registered a global hotkey? (Windows API)
...his case, it's tinkering with them for fun, changing left cursor to right, etc. A simple app then calls the DLL and reports back its results based on a TTimer event. If you're interested I can post the Delphi 2007 based code.
It's well documented and commented and you potentially could use it as a ...
List of standard lengths for database fields
...ng roles, such as LEGAL, MARITAL, MAIDEN, PREFERRED, SOBRIQUET, PSEUDONYM, etc. You might have business rules, such as "a person can only have one legal name at a time, but multiple pseudonyms at a time".
Some examples:
names: [
{
type:"POLYNYM",
role:"LEGAL",
given:"George",
mi...
Can I delete a git commit but keep the changes?
...and then at the next commit point instead run:
git commit --amend [-m … etc]
which will instead edit the most recent commit, having the same effect as above.
Note that this (as with nearly every git answer) can cause problems if you've already pushed the bad commit to a place where someone els...
How to perform a real time search and filter on a HTML table
... var val = $.trim($(this).val()).replace(/ +/g, ' ').toLowerCase();
// etc...
}, 300));
You can pick any debounce implementation, for example from Lodash _.debounce, or you can use something very simple like I use in next demos (debounce from here): http://jsfiddle.net/7BUmG/6230/ and http://j...
Putting git hooks into repository
...cution>
</executions>
</plugin>
<!-- ... etc ... -->
</plugins>
</build>
When you run your project build the plugin will configure git to run hooks out of the directory specified. This will effectively set up the hooks in that directory for everyo...
psycopg2: insert multiple rows with one query
... do you have to dick around with escaping strings and timestamps etc?
– CpILL
Jun 13 '17 at 9:35
Yes, you'll...