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Can you break from a Groovy “each” closure?
...s it possible to break from a Groovy .each{Closure} , or should I be using a classic loop instead?
6 Answers
...
How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
15 Answers
...
How do I suspend painting for a control and its children?
...ontrols.
After a lot of googling and reflector usage I came across the WM_SETREDRAW win32 message. This really stops controls drawing whilst you update them and can be applied, IIRC to the parent/containing panel.
This is a very very simple class demonstrating how to use this message:
class Draw...
Java dynamic array sizes?
...
You cannot use [ ... ] to index a list. You have to use the get(int) and set(int, E) methods.
An ArrayList is created with zero elements. You cannot simple create an ArrayList with 20 elements and then call set(15, foo).
You cannot directly change the size of an ArrayList. You do it indirectly u...
How can I use MS Visual Studio for Android Development?
...al Studio for Android (native) using "vs-android".
Here are the steps to set it up:
Download the Android SDK here.
Download the Android NDK here.
Download Cygwin here.
Download the JDK here.
Download Visual Studio 2010, 2012 or 2013 here.
Download vs-android here.
Download Apache Ant here.
Set e...
Breaking a list into multiple columns in Latex
...ackage{enumitem}
\usepackage{multicol}
\newlist{multienum}{enumerate}{1}
\setlist[multienum]{
label=\alph*),
before=\begin{multicols}{2},
after=\end{multicols}
}
\newlist{multiitem}{itemize}{1}
\setlist[multiitem]{
label=\textbullet,
before=\begin{multicols}{2},
after=\end{...
Select element based on multiple classes
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
How to get rid of the 'undeclared selector' warning
...n implemented protocol. For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
...
An explicit value for the identity column in table can only be specified when a column list is used
...column? Just use a regular int instead.
Details on Solution 1
Instead of
SET IDENTITY_INSERT archive_table ON;
INSERT INTO archive_table
SELECT *
FROM source_table;
SET IDENTITY_INSERT archive_table OFF;
you need to write
SET IDENTITY_INSERT archive_table ON;
INSERT INTO archive_table (fie...
Multiprocessing - Pipe vs Queue
...ystems, you can prevent connection.send() calls from blocking using the os.set_blocking() function. However, this will cause problems if you try to send a single item that does not fit in the pipe's file. Recent versions of Linux allow you to increase the size of a file, but the maximum size allowed...