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How to do associative array/hashing in JavaScript
...create key-to-value object maps with the following syntax:
var point = { x:3, y:2 };
point["x"] // returns 3
point.y // returns 2
You can iterate through an associative array using the for..in loop construct as follows
for(var key in Object.keys(dict)){
var value = dict[key];
/* use key/valu...
Print All JVM Flags
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36
Do not miss also -XX:+JVMCIPrintProperties for Graal JIT options.
Before dive into sources you...
How is “int main(){(([](){})());}” valid C++?
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edited May 23 '17 at 12:25
Community♦
111 silver badge
answered Nov 28 '12 at 10:51
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How does _gaq.push(['_trackPageLoadTime']) work?
... an example of what it measures (in Chrome 11):
timing = {
connectEnd: 1306677079337,
connectStart: 1306677079337,
domComplete: 1306677083482,
domContentLoadedEventEnd: 1306677081765,
domContentLoadedEventStart: 1306677081576,
domInteractive: 1306677081576,
domLoading: 1306677079478,
...
Copying files using rsync from remote server to local machine
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edited Feb 13 '18 at 14:55
Alexandrin Rus
4,37122 gold badges1313 silver badges2929 bronze badges
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How do I view all commits for a specific day?
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238
Thanks John Bartholomew!
The answer is to specify the time, e.g. git log --after="2013-11-12 ...
Detect Retina Display
...assume a device is running iOS4+ if the scale property exists, as the iPad 3.2 also contains this property.
On an iPad running iOS3.2, scale will return 1.0 in 1x mode, and 2.0 in 2x mode -- even though we know that device does not contain a Retina display. Apple changed this behavior in iOS4.2 for...
How can I get `find` to ignore .svn directories?
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answered Feb 22 '10 at 22:13
Brian AgnewBrian Agnew
248k3535 gold badges309309 silver badges420420 bronze badges
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Ruby on Rails production log rotation
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203
Option 1: syslog + logrotate
You can configure rails, to use the systems log tools.
An exampl...