大约有 43,000 项符合查询结果（耗时：0.0360秒） [XML]
User recognition without cookies or local storage
...verse Geocoding
Architecture, OS Language, System Time, Screen Resolution, etc.
Network Information API
Battery Status API
The items I listed are, of course, just a few possible ways a user can be identified uniquely. There are many more.
With this set of Random Data elements to build a Data Pro...
TortoiseSVN icons not showing up under Windows 7
...hat Windows uses). Programs like Office Groove, Dropbox, Mozy, Carbonite, etc, will hijack a bunch of the 11 possible overlay icons (boy would it be nice if Microsoft upped the number of these as the number of applications that use them seem to increase and increase)...
You can see what overlays a...
Deleting all pending tasks in celery / rabbitmq
...ee an option to pick a different named queue.
Here's my process:
$ sudo /etc/init.d/celeryd stop # Wait for analytics task to be last one, 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 # ...
What is the difference between syntax and semantics in programming languages?
...eaning rather than structure: logic is more an abstraction e.g. P => Q, etc or !!P = P, but when you add semantics things can have subtlety, if P is "happy", then !!P is "I'm not un-happy" != "I'm happy"
– doctorlove
Nov 21 '14 at 9:34
...
Proper way to use **kwargs in Python
...(**kwargs):
foo = kwargs.pop('foo')
bar = kwargs.pop('bar')
...etc...
is "the same as"
def f(foo=None, bar=None, **kwargs):
...etc...
this is not true. In the latter case, f can be called as f(23, 42), while the former case accepts named arguments only -- no positional calls. ...
Architecture of a single-page JavaScript web application?
...g, History, Bookmarking
Unit Testing
Localization
Document Generation
etc.
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Good Free Alternative To MS Access [closed]
...f you mean database development tool (forms, reports, queries, VBA support etc.). If you think about MS Access as a database engine (you mean MS Jet or ACE in fact) then yes - you have a lot of possibilities. There are a lot of free database engines - the most popular are MySQL and PostgreSQL. I can...
window.onload vs $(document).ready()
...ay, and fires as soon as the page's DOM is ready (doesn't wait for images, etc.).
$(document).ready (note that it's not document.ready, which is undefined) is a jQuery function, wrapping and providing consistency to the following events:
document.ondomcontentready / document.ondomcontentloaded - ...
jQuery - Trigger event when an element is removed from the DOM
...only remove elements with this method, rather than modifying/emptying HTML etc. For something more flexible, yes DOM mutation events are fine but I've been sceptic of them as you should be listening for business events in an app, not DOM ones whose structure is likely to change with further develop...
When to choose checked and unchecked exceptions
... }
this.operation = operation;
.....
}
private void secretCode(){
// we perform the operation.
// at this point the opreation was validated already.
// so we don't worry that operation is "exit"
.....
}
Just to put an example. The point is, if the syst...