大约有 47,000 项符合查询结果（耗时：0.0386秒） [XML]
Command line to remove an environment variable from the OS level configuration
Windows has the setx command:
9 Answers
9
...
Receiver not registered exception error?
...on. In your case you need to just put special try/catch for this exception and ignore it (assuming you can't or don't want to control number of times you call unregisterReceiver on the same recevier).
share
|
...
How often does python flush to a file?
... to use the system default, which is usually line buffered for tty devices and fully buffered for other files.
If omitted, the system default is used.
code:
bufsize = 0
f = open('file.txt', 'w', buffering=bufsize)
shar...
Configure Sublime Text on OS X to show full directory path in title bar
... edited Feb 29 at 14:28
sandre89
2,6942323 silver badges4747 bronze badges
answered Sep 20 '14 at 12:29
...
'^M' character at end of lines
...acter at the end of each line of the SQL script as it is echoed to the command-line. I don't know on which OS the SQL script was originally created.
...
Computational complexity of Fibonacci Sequence
I understand Big-O notation, but I don't know how to calculate it for many functions. In particular, I've been trying to figure out the computational complexity of the naive version of the Fibonacci sequence:
...
Objective-C : BOOL vs bool
...You can use the (C99) bool type, but all of Apple's Objective-C frameworks and most Objective-C/Cocoa code uses BOOL, so you'll save yourself headache if the typedef ever changes by just using BOOL.
share
|
...
Why is Linux called a monolithic kernel?
...d that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable?
...
Handler is abstract ,cannot be instantiated
I am trying to use a Handler in my app. But when i instantiate it like this:
6 Answers
...
Direct casting vs 'as' operator?
...o s, no matter what type o is.
Use 1 for most conversions - it's simple and straightforward. I tend to almost never use 2 since if something is not the right type, I usually expect an exception to occur. I have only seen a need for this return-null type of functionality with badly designed librar...