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How to solve java.lang.NoClassDefFoundError?
...r structure of the packages instead of putting all the .class files on the root directory, thanks!
– Jorge Sampayo
Jul 15 '19 at 16:21
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Is Big O(logn) log base e?
...derivation part of the analysis. The terse answers which don't address the root cause of the misunderstanding may lead to further misunderstanding. It's bad pedagogy.
– Heath Hunnicutt
Oct 15 '09 at 1:16
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Deleting all pending tasks in celery / rabbitmq
...ne, Ctrl-C
$ ps -ef | grep analytics # Get the PID of the worker, not the root PID reported by celery
$ sudo kill <PID>
$ sudo /etc/init.d/celeryd stop # Confim dead
$ python manage.py celery amqp queue.purge analytics
$ sudo rabbitmqctl list_queues -p celery name messages consumers # Confi...
When to catch java.lang.Error?
... happen.
One smallest problem is that you wouldn't be able to easily find root of the problem, if other threads start throwing some exceptions because of one thread not working.
For example, usually loop should be:
try {
while (shouldRun()) {
doSomething();
}
}
catch (Throwable t) {
...
How to get the directory of the currently running file?
...ble to use os.Getwd
func Getwd() (pwd string, err error)
Getwd returns a rooted path name corresponding to the current directory. If the current directory can be reached via multiple paths (due to symbolic links), Getwd may return any one of them.
For example:
package main
import (
"fmt"
...
Can Powershell Run Commands in Parallel?
...t and use param inside the script block to receive it.
cls
# Send in two root directory names, one that exists and one that does not.
# Should then get a "True" and a "False" result out the end.
"temp", "foo" | %{
$ScriptBlock = {
# accept the loop variable across the job-context barrier
...
Set the maximum character length of a UITextField
...g references to all the textviews (which reference the superviews up until root-)
– Ixx
Sep 6 '16 at 12:09
3
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Best way to iterate through a Perl array
... #2 is good when you do queues (e.g. breadth-first searches): my @todo = $root; while (@todo) { my $node = shift; ...; push @todo, ...; ...; }
– ikegami
Feb 2 '15 at 14:40
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What's the Android ADB shell “dumpsys” tool and what are its benefits?
... 36 1872 2420
Objects
Views: 0 ViewRoots: 0
AppContexts: 0 Activities: 0
Assets: 3 AssetManagers: 3
Local Binders: 2 Proxy Binders: 8
Death Recipients: 0
OpenSSL Sockets: ...
How do you get git to always pull from a specific branch?
...
@ianj: In the Git config file (from the repo root, .git/config).
– mipadi
Dec 17 '10 at 17:10
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