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Can I use GDB to debug a running process?
...t is dumpable (i.e.
did not transition uids, start privileged, or have called
prctl(PR_SET_DUMPABLE...) already). Similarly, PTRACE_TRACEME is
unchanged.
1 - restricted ptrace: a process must have a predefined relationship
with the inferior it wants to call PTRACE_ATTACH on. By defa...
Why does += behave unexpectedly on lists?
...
The general answer is that += tries to call the __iadd__ special method, and if that isn't available it tries to use __add__ instead. So the issue is with the difference between these special methods.
The __iadd__ special method is for an in-place addition, that ...
How to bring view in front of everything?
...
You can call bringToFront() on the view you want to get in the front
This is an example:
yourView.bringToFront();
share
|
im...
How to Use slideDown (or show) function on a table row?
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I simply wrap the tr dynamically then remove it once the slideUp/slideDown has complete. It's a pretty small overhead adding and removing one or a couple of tags and then removing them once the animation is complete, I don't see any visible lag at all...
Display open transactions in MySQL
...ection to the server while sending a statement, it immediately and automatically tries to reconnect once to the server and send the statement again. However, even if mysql succeeds in reconnecting, your first connection has ended and all your previous session objects and settings are lost: temporary...
How to implement the Android ActionBar back button?
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In my situation I was looking for a way to not call onCreate of the parent when returning to it. To do this, I used your implementation, but called finish() instead of NavUtils.navigateUpFromSameTask(this). finish() calls my onStart instead of onCreate which was more idea...
How to delay the .keyup() handler until the user stops typing?
...ime or in events that fire at a high rate, like resize:
function delay(callback, ms) {
var timer = 0;
return function() {
var context = this, args = arguments;
clearTimeout(timer);
timer = setTimeout(function () {
callback.apply(context, args);
}, ms || 0);
};
}
// ...
Rails raw SQL example
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and then you'd need to call values on this PG::Result object to get the results array
– jobwat
Mar 26 '14 at 1:00
3
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How to ALTER multiple columns at once in SQL Server
...R field from 50 to 100 chars), you can generate all the statements automatically using the query below. This technique is also useful if you want to replace the same character in multiple fields (such as removing \t from all columns).
SELECT
TABLE_CATALOG
,TABLE_SCHEMA
,TABLE_NAME
...
Mismatched anonymous define() module
...s, require.js can blow up if
You have an anonymous define ("modules that call define() with no string ID") in its own script tag (I assume actually they mean anywhere in global scope)
You have modules that have conflicting names
You use loader plugins or anonymous modules but don't use require.js'...