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I need to store postal codes in a database. How big should the column be?
...RCHAR2(10) would be sufficient for the most if not all other countries.
Down the line, you can always ALTER the column to increase the length should the need arise. But it is generally hard to prevent someone, somewhere from deciding to get "creative" and stuff 50 characters into a VARCHAR2(50) ...
How to use Git properly with Xcode?
...in XCode Project files.
If you want to try it, you can check it out here: https://github.com/simonwagner/mergepbx
You will have to install it as a merge driver, so it gets called automatically when you have a merge conflict in your project file (the README.md will tell you how to do that).
It sho...
How does the ARM architecture differ from x86? [closed]
...an save significant power when fully idle (clock stopped, or even powering down parts of the core. Or in deeper sleeps, also caches after write-back.) ... and that's the point you make in the next paragraph, of course. >.<
– Peter Cordes
Jun 23 at 6:38
...
100% Min Height CSS layout
... have more height than browser window, background will be cut after scroll down
– fider
Feb 23 '14 at 23:33
@fider - p...
Cannot find executable for CFBundle CertUIFramework.axbundle
...turous then you can use the following monkey patches to silence the error: https://gist.github.com/alloy/9277316. (Be sure to NOT include this in your release builds.)
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...
Send Email Intent
..., I've tested it on Android 4.4, and works perfectly. See more examples at https://developer.android.com/guide/components/intents-common.html#Email
public void composeEmail(String[] addresses, String subject) {
Intent intent = new Intent(Intent.ACTION_SENDTO);
intent.setData(Uri.parse("mail...
vim command to restructure/force text to 80 columns
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Xcode 4 - slow performance
... didn't get larger or smaller, while disk space jumped by gigabytes up and down on some machines)
Observed:
Xcode 4.4/4.5 will randomly take all the RAM in your system (10's of GB for a tiny project) so that the rest of the system grinds to a halt, stuck waiting for disk swapping
WORSE: on macb...
Git Commit Messages: 50/72 Formatting
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
“Keep Me Logged In” - the best approach
..., bool $secure = false [, bool $httponly = false ]]]]]] )
secure (Using HTTPS connection)
httponly (Reduce identity theft through XSS attack)
Definitions
Token ( Unpredictable random string of n length eg. /dev/urandom)
Reference ( Unpredictable random string of n length eg. /dev/urandom)
Si...