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How to represent empty char in Java Character class
... cannot be the answer to this question. The correct answer, already given by user3001, is to use Java's boxed Character reference type and give it 'null' value when 'no character' is needed.
– Chris Hatton
Aug 2 '14 at 3:24
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Keyboard shortcut to comment lines in Sublime Text 2
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By default on Linux/Windows for an English keyboard the shortcut is Ctrl+Shift+/ to toggle a block comment, and Ctrl+/ to toggle a line comment.
If you go into Preferences->Key Bindings - Default, you can find all the sho...
How do I check the operating system in Python?
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You can get a pretty coarse idea of the OS you're using by checking sys.platform.
Once you have that information you can use it to determine if calling something like os.uname() is appropriate to gather more specific information. You could also use something like Python System I...
Why is the use of alloca() not considered good practice?
...it (alloca'ing huge values), it's fine. Once you go past the "few hundred bytes" mark, it's time to use malloc and friends, instead. You may still get allocation failures, but at least you'll have some indication of the failure instead of just blowing out the stack.
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Copy table without copying data
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the result given by show create table bar is already executable, if the script has the permission to create tables, you could parse it and then execute alter table statements too.
– Timo Huovinen
Feb 5 '...
C compiler for Windows? [closed]
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You can use GCC on Windows by downloading MingW (discontinued) or its successor Mingw-w64.
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nginx: send all requests to a single html page
... edited Jan 25 '18 at 12:48
kolbyjack
14.5k55 gold badges3939 silver badges3333 bronze badges
answered Aug 11 '11 at 14:30
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Is there a DesignMode property in WPF?
... some cases I need to know, whether a call to my non-UI class is initiated by the designer (like if I create a DataContext class from XAML). Then the approach from this MSDN article is helpful:
// Check for design mode.
if ((bool)(DesignerProperties.IsInDesignModeProperty.GetMetadata(typeof(Depend...
Latex Remove Spaces Between Items in List
...he highest voted answer also mentioned the enumitem package (here answered by Stefan), but I also like this one, which involves creating your own itemizing environment instead of loading a new package:
\newenvironment{myitemize}
{ \begin{itemize}
\setlength{\itemsep}{0pt}
\setlength{\parski...
R apply function with multiple parameters
...ctor variables and must compute itself on each value of them (as mentioned by @Ari B. Friedman) you can use mapply as follows:
vars1<-c(1,2,3)
vars2<-c(10,20,30)
mult_one<-function(var1,var2)
{
var1*var2
}
mapply(mult_one,vars1,vars2)
which gives you:
> mapply(mult_one,vars1,vars2...