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Why cast unused return values to void?
...ny reason for casting an unused return value to void, or am I right in thinking it's a complete waste of time?
9 Answers
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Drop unused factor levels in a subsetted data frame
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How can I close a buffer without closing the window?
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There's a script on the Vim wiki to do this. I don't think there is a builtin that does what you want.
The latest version of vim-bufkill is on github.
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How to set timeout on python's socket recv method?
I need to set timeout on python's socket recv method. How to do it?
10 Answers
10
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Android - shadow on text?
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You should be able to add the style, like this (taken from source code for Ringdroid):
<style name="AudioFileInfoOverlayText">
<item name="android:paddingLeft">4px</item>
<item name="android:paddingBottom">4px</item>
&l...
What is meant by “managed” vs “unmanaged” resources in .NET?
...ider isn't written entirely in managed code.
This is why, for something like a database connection, it's recommended you write your code thusly:
using (var connection = new SqlConnection("connection_string_here"))
{
// Code to use connection here
}
As this ensures that .Dispose() is called o...
What does (angle brackets) mean in Java?
I am currently studying Java and have recently been stumped by angle brackets(). What exactly do they mean?
6 Answers
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Hibernate: “Field 'id' doesn't have a default value”
I'm facing what I think is a simple problem with Hibernate, but can't solve it (Hibernate forums being unreachable certainly doesn't help).
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Convert python datetime to epoch with strftime
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Python doesn't actually support %s as an argument to strftime (if you check at http://docs.python.org/library/datetime.html#strftime-and-strptime-behavior it's not in the list), the only reason it's working is because Python is passing the information to your system's strftime, which uses your loca...
Scanner is skipping nextLine() after using next() or nextFoo()?
...Scanner.next() or any Scanner.nextFoo method (except nextLine itself).
Workaround:
Either put a Scanner.nextLine call after each Scanner.nextInt or Scanner.nextFoo to consume rest of that line including newline
int option = input.nextInt();
input.nextLine(); // Consume newline left-over
String...