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Why fragments, and when to use fragments instead of activities?
...le by using includes). However; fragments are wired in to the Android API, from HoneyComb, and up. Let me elaborate;
The ActionBar. If you want tabs up there to navigate your app, you quickly see that ActionBar.TabListener interface gives you a FragmentTransaction as an input argument to the onTab...
One-liner to check whether an iterator yields at least one element?
...oblem with this solution is that you can't actually use the returned value from the iterator if it's not empty, right?
– Ken Williams
Jan 3 '17 at 3:55
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how does Array.prototype.slice.call() work?
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@vsync: It isn't an assumption. You can get order from any object if you enforce it. Let's say I have var obj = {2:"two", 0:"zero", 1: "one"}. If we use for-in to enumerate the object, there's no guarantee of order. But if we use for, we can manually enforce the order: for (...
How can I tell if a library was compiled with -g?
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Employed Russian: from man objdump(1), the --debugging flag "attempts to parse STABS and IEEE debugging format information stored in the file and print it out using a C like syntax. If neither of these formats are found this option falls bac...
Allowed characters in Linux environment variable names
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From The Open Group:
These strings have the form
name=value; names shall not contain
the character '='. For values to be
portable across systems conforming to
IEEE Std 1003.1-2001, the value shall
be composed of...
“unrecognized import path” with go get
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When I followed the go install instructions from the official site (install from the tar file into /usr/local) I received the error above until I changed the GOROOT as above.
– Drew
Apr 10 '14 at 17:38
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What is the attribute property=“og:title” inside meta tag?
...ty in meta tags allows you to specify values to property fields which come from a property library. The property library (RDFa format) is specified in the head tag.
For example, to use that code you would have to have something like this in your <head tag. <head xmlns:og="http://example.org/"...
Good geometry library in python? [closed]
...kein), I'm using the cffi module and some awful hacks to use CGAL directly from python, using inline C++ snippets.
– Paul Harrison
Nov 13 '12 at 22:36
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How to import a single table in to mysql database using command line
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This would work only if I have access to the database from which I can export a specific table. However, if I have a full dump of the database and want to cherry-pick the table(s) to be imported, this solution won't work. The linked post Can I restore a single table from a ful...
How to make an Android device vibrate?
...illiseconds) method. Here is a quick example:
// Get instance of Vibrator from current Context
Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
// Vibrate for 400 milliseconds
v.vibrate(400);
That's it, simple!
How to Vibrate Indefinitely
It may be the case that you want the...