大约有 44,000 项符合查询结果（耗时：0.0461秒） [XML]
C++ template typedef
...n't seen this part of C++0x and I've been bitching about templated typedef for a while... guess I should have a more thorough read of the final draft.
– Matthieu M.
May 9 '10 at 11:19
...
How to correctly iterate through getElementsByClassName
...tem(index)
Thus:
var slides = document.getElementsByClassName("slide");
for (var i = 0; i < slides.length; i++) {
Distribute(slides.item(i));
}
I haven't tried this myself (the normal for loop has always worked for me), but give it a shot.
...
How to use mod operator in bash?
...
Try the following:
for i in {1..600}; do echo wget http://example.com/search/link$(($i % 5)); done
The $(( )) syntax does an arithmetic evaluation of the contents.
...
Why does InetAddress.isReachable return false, when I can ping the IP address?
...
The "isReachable" method has not been worthy of using for me in many cases. You can scroll to the bottom to see my alternative for simply testing if you're online and capable of resolving external hosts (i.e. google.com) ... Which generally seems to work on *NIX machines.
The...
Programmatically register a broadcast receiver
...etter to use registerReceiver(). A receiver component is primarily useful for when you need to make sure your app is launched every time the broadcast is sent.
share
|
improve this answer
...
How to make a cross-module variable?
...
I don't endorse this solution in any way, shape or form. But if you add a variable to the __builtin__ module, it will be accessible as if a global from any other module that includes __builtin__ -- which is all of them, by default.
a.py contains
print foo
b.py contains
...
Compiler error: memset was not declared in this scope
...
Whevever you get a problem like this just go to the man page for the function in question and it will tell you what header you are missing, e.g.
$ man memset
MEMSET(3) BSD Library Functions Manual MEMSET(3)
NAME
memset -- fill a byte string with a ...
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
...it in the NavigationController. That's the only thing that actually worked for me.
– James Laurenstin
Dec 1 '13 at 3:50
...
What is Pseudo TTY-Allocation? (SSH and Github)
...ogin.
The name "PuTTY" has no definitive meaning, though "tty" is the name for a terminal in the Unix tradition, usually held to be short for Teletype.
Other use-cases for -T (beside testing)
Transferring binary files
Execute commands on a remote server
SSH tunneling: ssh -fnT -L port:server:po...
Controlling a USB power supply (on/off) with Linux
...
Note. The information in this answer is relevant for the older kernels (up to 2.6.32). See tlwhitec's answer for the information on the newer kernels.
# disable external wake-up; do this only once
echo disabled > /sys/bus/usb/devices...