大约有 48,000 项符合查询结果（耗时：0.0315秒） [XML]
Intellij IDEA crashed, and now throws an error
...
In idea 13, the "cache" directory is now "caches" - removing everything in there still works.
– Yann
Nov 6 '15 at 14:35
...
Why do we check up to the square root of a prime number to determine if it is prime?
... is not a prime, it can be factored into two factors a and b:
n = a * b
Now a and b can't be both greater than the square root of n, since then the product a * b would be greater than sqrt(n) * sqrt(n) = n. So in any factorization of n, at least one of the factors must be smaller than the square ...
how to implement regions/code collapse in javascript
...Number
End Function
End Module
Save the Macro and Close the Editor
Now let's assign shortcut to the macro. Go to Tools->Options->Environment->Keyboard and search for your macro in "show commands containing" textbox
now in textbox under the "Press shortcut keys" you can enter the des...
.NET obfuscation tools/strategy [closed]
...ly, to IL, to C# code and have it compiled again with very little effort.
Now with .Net 3.5 I'm not at all sure. Try decompiling a 3.5 assembly; what you get is a long long way from compiling.
Add the optimisations from 3.5 (far better than 1.1) and the way anonymous types, delegates and so on ar...
Insert current date in datetime format mySQL
...YSQL's functions.
mysql_query("INSERT INTO `table` (`dateposted`) VALUES (now())");
If you need to use PHP to do it, the format it Y-m-d H:i:s so try
$date = date('Y-m-d H:i:s');
mysql_query("INSERT INTO `table` (`dateposted`) VALUES ('$date')");
...
How would I create a UIAlertView in Swift?
...nil))
self.presentViewController(alert, animated: true, completion: nil)
Now UIAlertController is a single class for creating and interacting with what we knew as UIAlertViews and UIActionSheets on iOS 8.
Edit: To handle actions:
alert.addAction(UIAlertAction(title: "OK", style: .Default, handle...
Using socket.io in Express 4 and express-generator's /bin/www
...ect. After Express Js 4 was lauched, i've updated my express-generator and now the app initial functions goes into ./bin/www file, including those vars (www file contents: http://jsfiddle.net/avMa5/ )
...
Which timestamp type should I choose in a PostgreSQL database?
...TE TABLE my_tbl (
my_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
CHECK(EXTRACT(TIMEZONE FROM my_timestamp) = '0')
);
test=> SET timezone = 'America/Los_Angeles';
SET
test=> INSERT INTO my_tbl (my_timestamp) VALUES (NOW());
ERROR: new row for relation "my_tbl" violates check...
Detach (move) subdirectory into separate Git repository
I have a Git repository which contains a number of subdirectories. Now I have found that one of the subdirectories is unrelated to the other and should be detached to a separate repository.
...
Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
...ntroller Advancements in iOS 8"
Quote from the presentation:
UIScreen is now interface oriented:
[UIScreen bounds] now interface-oriented
[UIScreen applicationFrame] now interface-oriented
Status bar frame notifications are interface-oriented
Keyboard frame notifications are interface-oriented
...