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Convert UNIX epoch to Date object
I'm plotting and performing calculations on uniformly distributed time series. The timestamps are currently stored as integers representing the number of seconds since the UNIX epoch (e.g. 1352068320 ), but Date objects seem more appropriate for plotting. How can I do the conversion?
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How to customize the background/border colors of a grouped table view cell?
I would like to customize both the background and the border color of a grouped-style UITableView.
11 Answers
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How do I pass parameters into a PHP script through a webpage?
...er that the PHP script needs to run (which I normally pass through the command line when I am testing the script).
2 Answe...
Android add placeholder text to EditText
...or is setHint(int). Simply pass in a resource id of a string from your xml and you're good to go.
EDIT
And in XML, it's simply android:hint="someText"
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How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
...ommend you to remove the ia32-libs-raring.list in /etc/apt/sources.list.d, and do sudo apt-get update.
If you want to fix the dependency of Android SDK, you can try this bellow:
sudo apt-get install -y libc6-i386 lib32stdc++6 lib32gcc1 lib32ncurses5 lib32z1
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Read first N lines of a file in python
...ced in .net c#, however would like to do this in python to simplify things and out of interest.
16 Answers
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How to convert CFStringRef to NSString?
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NSString and CFStringRef are "Toll free bridged", meaning that you can simply typecast between them.
For example:
CFStringRef aCFString = (CFStringRef)aNSString;
works perfectly and transparently. Likewise:
NSString *aNSString = ...
How to switch back to 'master' with git?
...nitely not tracked in the index, you can just remove the directory locally and you'll get it back when you git checkout branch1.
– Platinum Azure
Sep 14 '11 at 13:46
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What Does Question Mark Mean in Xcode Project Navigator?
... Thanks. In case someone else reads this, just right click on the file and goto Source Control->Add. This will turn ? to A. So, basically: ? means not part of source control. A means added to source control, but not modified. M means it is added to source control and is modified.
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How to use a switch case 'or' in PHP
...icated" statements, eg: to test if a value is "greater than 3", "between 4 and 6", etc. If you need to do something like that, stick to using if statements, or if there's a particularly strong need for switch then it's possible to use it back to front:
switch (true) {
case ($value > 3) :
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