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Providing white space in a Swing GUI
... 'crowded'. How can I provide white space without resorting to explicitly setting the position or size of components?...
How to print register values in GDB?
... works as of GDB 7.7.1
As of GDB 7.7.1, the command you've tried works:
set $eax = 0
p $eax
# $1 = 0
set $eax = 1
p $eax
# $2 = 1
This syntax can also be used to select between different union members e.g. for ARM floating point registers that can be either floating point or integers:
p $s0.f
...
Map function in MATLAB?
... editor after snippets, if snippets enabled
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StackExchange.using("snippets", function() {
createEditor();
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else {
createEditor();
...
How can I get useful error messages in PHP?
...elp you debug errors that are not syntax errors:
error_reporting(-1);
ini_set('display_errors', 'On');
(3) Another option is to use an editor that checks for errors when you type, such as PhpEd. PhpEd also comes with a debugger which can provide more detailed information. (The PhpEd debugger is v...
Using python “with” statement with try-except block
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Show AlertDialog in any position of the screen
...the solution.
The code is posted below:
private CharSequence[] items = {"Set as Ringtone", "Set as Alarm"};
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setItems(items, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int i...
Ruby: How to turn a hash into HTTP parameters?
... "q=ruby&q=perl&lang=en"
You'll notice that array values are not set with key names containing [] like we've all become used to in query strings. The spec that encode_www_form uses is in accordance with the HTML5 definition of application/x-www-form-urlencoded data.
...
Getting pids from ps -ef |grep keyword
...The pattern is normally only matched against the process name. When -f is set, the full command line is used.
If you really want to avoid pgrep, try:
ps -ef | awk '/[k]eyword/{print $2}'
Note the [] around the first letter of the keyword. That's a useful trick to avoid matching the awk comma...
What are type lambdas in Scala and what are their benefits?
...
(1, 2).map(a => a + 1) // (1, 3)
If you use IntelliJ, you can enable Settings, Code Style, Scala, Folding, Type Lambdas. This then hides the crufty parts of the syntax, and presents the more palatable:
Functor[[a]=(Int, a)].map((1, 2))(a => a + 1)) // (1, 3)
A future version of Scala mig...
Efficient way to return a std::vector in c++
...void) { return strings; };
int main(int argc, char * argv[]){
// set up the vector of strings to hold however
// many strings the user provides on the command line
for(int idx=1; (idx<argc); ++idx){
strings.push_back(argv[idx]);
}
// now, iterate the st...