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What REALLY happens when you don't free after malloc?
... being used).
I heard a story about some guy who wrote some code just for fun to make his hardware work better. He said "just a hobby, won't be big and professional". Years later lots of people are using his "hobby" code.
s...
Explanation of JSONB introduced by PostgreSQL
...esentation, why jsonb doesn't support this? UPDATE test SET data->'a' = 123 WHERE id = 1; from CREATE TABLE test(id SERIAL PRIMARY KEY, data JSONB);
– Kokizzu
Nov 28 '14 at 4:46
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How to 'minify' Javascript code
...MS=864e5;
var a=10;
a=1+a;
a=a*2;
//same as
a=++a*2;
Some nice articles/sites i found about bitwise/shorthand:
http://mudcu.be/journal/2011/11/bitwise-gems-and-other-optimizations/
http://www.140byt.es/
http://www.jquery4u.com/javascript/shorthand-javascript-techniques/
There are also many js...
Platform independent size_t Format specifiers in c?
...
123
Yes: use the z length modifier:
size_t size = sizeof(char);
printf("the size is %zu\n", size)...
How to set selected value of jquery select2?
...text: 'Lorem Ipsum'}
Example:
$('#all_contacts').select2('data', {id: '123', text: 'res_data.primary_email'});
Thanks to @NoobishPro
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“Server” vs “Data Source” in connection string
...ke this.
server=stuffy.databases.net;database=stuffy;uid=konrad;pwd=Abc123(!);
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How to initialize log4j properly?
... neither will log4j. ;)
See also:
Short introduction to log4j at Apache site
Apache: Logging Services: FAQ at Apache site
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Checking network connection
... the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to respond quickly.
This fixed IP will not map to google.com forever. So this code is
not robust -- it will need constant maintenance to keep it working.
The reason why the code above uses a fixed IP ...
What database does Google use?
...HBase. HBase is part of the larger Hadoop project which according to their site "is a software platform that lets one easily write and run applications that process vast amounts of data." Some of the benchmarks are quite impressive. Their site is at http://hadoop.apache.org.
...
Do you have to include ?
...icon.
Naming the file "favicon.ico" and putting it in the root of your website is the method "discouraged" by W3C:
Method 2 (Discouraged): Putting the favicon at a predefined URI
A second method for specifying a favicon relies on using a predefined URI to identify the image: "/favicon", which...