大约有 2,340 项符合查询结果（耗时：0.0187秒） [XML]
Run cron job only if it isn't already running
...ning... Restarted."
exit 0
fi
It runs every two minutes and is quite effective. I have it email me with special information if for some reason the process is not running.
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improv...
Submitting a form by pressing enter without a submit button
...ute, or at least I would:
<script type="text/javascript">
// Using jQuery.
$(function() {
$('form').each(function() {
$(this).find('input').keypress(function(e) {
// Enter pressed?
if(e.which == 10 || e.which == 13) {
this.form.submit();
...
How do I find which rpm package supplies a file I'm looking for?
...
This is an old question, but the current answers are incorrect :)
Use yum whatprovides, with the absolute path to the file you want (which may be wildcarded). For example:
yum whatprovides '*bin/grep'
Returns
grep-2.5.1-55.el5.x86_64 :...
How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
...
check out the solution someone gave me for the same question: glob seems to work nicer: stackoverflow.com/questions/11267086/…
– NoodleOfDeath
Aug 10 '12 at 17:09
...
How do I detect if I am in release or debug mode?
... won't work when using a library (always returns true) : stackoverflow.com/q/20176284/878126 . Wonder what's the best alternative
– android developer
Jun 21 '16 at 9:33
...
How to remove all .svn directories from my application directories
...
You may need to put {} into single quote if there may be space or such characters in directories: find . -name .svn -exec rm -rf '{}' \;
– mtoloo
Sep 17 '12 at 11:25
...
DbEntityValidationException - How can I easily tell what caused the error?
...ing or array type with a maximum length of '12'; The
LastName field is required.
You can drop the overridden SaveChanges in any class that inherits from DbContext:
public partial class SomethingSomethingEntities
{
public override int SaveChanges()
{
try
{
ret...
Selectors in Objective-C?
...ns the value to a SEL.
Other have already covered the second part of your q, the ':' at the end matches a different signature than what you're looking for (in this case that signature doesn't exist).
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Android get free size of internal/external memory
...lable() {
return android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
}
public static String getAvailableInternalMemorySize() {
File path = Environment.getDataDirectory();
StatFs stat = new StatFs(path.getPat...
How to urlencode a querystring in Python?
...o pass your parameters into urlencode() as either a mapping (dict), or a sequence of 2-tuples, like:
>>> import urllib
>>> f = { 'eventName' : 'myEvent', 'eventDescription' : 'cool event'}
>>> urllib.urlencode(f)
'eventName=myEvent&eventDescription=cool+event'
Pytho...