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Select random row from a sqlite table
...to select a non-existant rowid, and the select will return an empty result set. If this is not acceptable, you can provide a default value like this :
select * from foo where rowid = (abs(random()) % (select (select max(rowid) from foo)+1)) or rowid = (select max(rowid) from node) order by rowid li...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...le:
How to: Make Thread-Safe Calls to Windows Forms Controls
So instead of setting the text property directly in the serialport1_DataReceived method, use this pattern:
delegate void SetTextCallback(string text);
private void SetText(string text)
{
// InvokeRequired required compares the thread ID...
What is a Lambda?
... editor after snippets, if snippets enabled
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A gentle tutorial to Emacs/Swank/Paredit for Clojure
... to Emacs to work on Clojure /Lisp.
What is all the information I need to setup on Emacs to be able to do the following?
5...
master branch and 'origin/master' have diverged, how to 'undiverge' branches'?
...I found this while looking up the same problem, can you explain why 'git reset --hard HEAD' didn't fix the problem?
– Neth
Nov 26 '10 at 14:19
13
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What happens when there's insufficient memory to throw an OutOfMemoryError?
I am aware that every object requires heap memory and every primitive/reference on the stack requires stack memory.
11 Answ...
Does PHP have threading?
...r, any library that is thread safe is useable, as in any other thread safe setup of the interpreter.
pthreads utilizes Posix Threads ( even in Windows ), what the programmer creates are real threads of execution, but for those threads to be useful, they must be aware of PHP - able to execute user c...
What does auto&& tell us?
...ssible that it's moved-from, so it'd be incorrect use it further without resetting it.
Personally, I use auto&& in generic code when I need a modifyable variable. Perfect-forwarding an rvalue is modifying, since the move operation potentially steals its guts. If I just want to be lazy (i.e....
How do I change the language of moment.js?
I am trying to change the language of the date which is being set by moment.js. The default one is English, but I want to set the German language. These is what I tried:
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How do I determine file encoding in OS X?
...command line, just type ls -l@ <filename> to see what attributes are set for the file. To see the actual attribute, type xattr -p com.apple.TextEncoding <filename>
– Edward Falk
Aug 4 '16 at 3:13
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