大约有 47,000 项符合查询结果（耗时：0.0790秒） [XML]
Common MySQL fields and their appropriate data types
...g up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as these. For...
What's the difference between `on` and `live` or `bind`?
... vs delegate. In future versions of jQuery, these methods will be removed and only on and one will be left.
Examples:
// Using live()
$(".mySelector").live("click", fn);
// Equivalent `on` (there isn't an exact equivalent, but with good reason)
$(document).on("click", ".mySelector", fn);
// ...
How to create a project from existing source in Eclipse and then find it?
...your workspace or it can be somewhere else.
Start a new project in eclipse and name it using that same project name.
Uncheck the "use default location" box and find the directory where your project is unless your project is already in the workspace - then you must not uncheck the "use default locati...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...hat the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7.
...
Eclipse error: 'Failed to create the Java Virtual Machine'
...
This will only work if the problem was not enough memory and if you lower the values in eclipse.ini. Raising them will only make this issue more probable to occur.
– Stijn de Witt
Feb 18 '13 at 14:17
...
How to get the ThreadPoolExecutor to increase threads to max before queueing?
... this limitation in ThreadPoolExecutor where the queue needs to be bounded and full before more threads will be started.
I believe I have finally found a somewhat elegant (maybe a little hacky) solution to this limitation with ThreadPoolExecutor. It involves extending LinkedBlockingQueue to have ...
What's a correct and good way to implement __hash__()?
What's a correct and good way to implement __hash__() ?
6 Answers
6
...
jquery ui Dialog: cannot call methods on dialog prior to initialization
...n app on jquery 1.5 with dialogs worked fine.
While I have a lot of .live handlers, I changed this to .on.
For that, I have to update jquery (now 1.8.3 an jquerui 1.9.1).
...
How to get root access on Android emulator?
I have All Android SDK versions(from 1.5 to 2.3.3), and I tried many methods for getting root in Android emulator. I don't use any Android device and test everything on emulator(AVD).
...
What is the difference between packaged_task and async
...nces if you use a rather long function, such as
//! sleeps for one second and returns 1
auto sleep = [](){
std::this_thread::sleep_for(std::chrono::seconds(1));
return 1;
};
Packaged task
A packaged_task won't start on it's own, you have to invoke it:
std::packaged_task<int()> tas...