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Print “hello world” every X seconds
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You can also take a look at Timer and TimerTask classes which you can use to schedule your task to run every n seconds.
You need a class that extends TimerTask and override the public void run() method, which will be executed everytime you pass an instance o...
Pairs from single list
...ed to process a list by pairs. I was wondering which would be the pythonic and efficient way to do it, and found this on Google:
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Clear back stack using fragments
I ported my Android app to honeycomb and I did a big refactor in order to use fragments. In my previous version, when I pressed the Home button I used to do a ACTIVITY_CLEAR_TOP in order to reset the back stack.
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How to convert a string to utf-8 in Python
...icode'>)
^ This is the difference between a byte string (plain_string) and a unicode string.
>>> s = "Hello!"
>>> u = unicode(s, "utf-8")
^ Converting to unicode and specifying the encoding.
In Python 3
All strings are unicode. The unicode function does not exist anymore. See ...
What are .a and .so files?
I'm currently trying to port a C application to AIX and am getting confused. What are .a and .so files and how are they used when building/running an application?
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Navigation drawer - disable swipe
...ED);
to lock your DrawerLayout so it won't be able to open with gestures. And unlock it with:
mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
Here you can find more info about DrawerLayout: Android API - DrawerLayout
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Remove a symlink to a directory
...delete a file, not delete a directory. I believe the difference between rm and rmdir exists because of differences in the way the C library treats each.
At any rate, the first should work, while the second should complain about foo being a directory.
If it doesn't work as above, then check your pe...
Vim: Replacing a line with another one yanked before
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Steps 1 and 2 can be combined using :ay [E.g. :20y] Followed by Vp should do the trick. You do not have to go to a line to yank it.
– Bharad
Aug 12 '13 at 9:23
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Variable declaration in a C# switch statement [duplicate]
... switch statement. Other reasons include having to break; after each case, and that there's no equivalent for things like Case 1, 2, 3, Case 4 To 10, or Case Is > 10.
– 41686d6564
Sep 20 '18 at 14:04
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Reading Excel files from C#
...Tables["anyNameHere"].AsEnumerable();
as this lets me use LINQ to search and build structs from the fields.
var query = data.Where(x => x.Field<string>("phoneNumber") != string.Empty).Select(x =>
new MyContact
{
firstName= x....