大约有 44,000 项符合查询结果（耗时：0.0494秒） [XML]
iPhone: Detecting user inactivity/idle time since last screen touch
...dleTimerExceeded {
NSLog(@"idle time exceeded");
}
where maxIdleTime and idleTimer are instance variables.
In order for this to work, you also need to modify your main.m to tell UIApplicationMain to use your delegate class (in this example, AppDelegate) as the principal class:
int retVal = U...
LEN function not including trailing spaces in SQL Server
...
Also for varchar etc. this can be collation dependant and not even a straight forward division by 2 is reliable. See example here
– Martin Smith
Jul 13 '13 at 11:33
...
Using the Android Application class to persist data
I'm working on a fairly complex Android application that requires a somewhat large amount of data about the application (I'd say a total of about 500KB -- is this large for a mobile device?). From what I can tell, any orientation change in the application (in the activity, to be more precise) cause...
ng-model for `` (with directive DEMO)
...taURL(changeEvent.target.files[0]);
});
}
}
}]);
And the input tag becomes:
<input type="file" fileread="vm.uploadme" />
Or if just the file definition is needed:
.directive("fileread", [function () {
return {
scope: {
fileread: "="
...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
I'm so lost and new to building NGINX on my own but I want to be able to enable secure websockets without having an additional layer.
...
Git - Undo pushed commits
...in a remote repository, synchronized with a local repository (development) and the server one (prod). I've been making some commited changes already pushed to remote and pulled from the server. Now, I want to undo those changes. So I could just git checkout to the commit before the changes and com...
How to sort mongodb with pymongo
...
.sort(), in pymongo, takes key and direction as parameters.
So if you want to sort by, let's say, id then you should .sort("_id", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
...
Can I set max_retries for requests.request?
The Python requests module is simple and elegant but one thing bugs me.
It is possible to get a requests.exception.ConnectionError with a message like:
...
MongoDB not equal to
...
Use $ne -- $not should be followed by the standard operator:
An examples for $ne, which stands for not equal:
use test
switched to db test
db.test.insert({author : 'me', post: ""})
db.test.insert({author : 'you', post: "how to query"})
db.test.find({'post': {$ne : ""...
How does lucene index documents?
...it is processed through the same analyzer that was used to build the index and then used to look up the matching term(s) in the index. That provides a list of documents that match the query.
share
|
...