大约有 23,000 项符合查询结果（耗时：0.0454秒） [XML]
Python's time.clock() vs. time.time() accuracy?
...apsed since the
first call to this function, as a floating point number, based on the
Win32 function QueryPerformanceCounter(). The resolution is typically
better than one microsecond.
Additionally, there is the timeit module for benchmarking code snippets.
...
Postgresql: Scripting psql execution with password
...answer your question, there are a few ways provide a password for password-based authentication. The obvious way is via the password prompt. Instead of that, you can provide the password in a pgpass file or through the PGPASSWORD environment variable. See these:
https://www.postgresql.org/docs/...
USB Debugging option greyed out
...ebug when linked to the computer. Check it.
– DSlomer64
Jul 22 '16 at 12:25
|
show 7 more comments
...
Round a Floating Point Number Down to the Nearest Integer?
...s because 1.9999999999999999 is actually equal to 2.0 in the internal float64 representation. I. e. it's already rounded as soon as it is parsed into a float, as a 64 bit float cannot represent that many significant digits. You can verify that with evaluating 1.9999999999999999 == 2.0. And if you su...
Hidden features of Ruby
...duce code nicely, especially when I am grabbing blocks of lines from files based on some criteria.
– the Tin Man
Dec 8 '11 at 20:01
...
Difference between byte vs Byte data types in C# [duplicate]
...ias of System.Byte struct. Different .NET languages have different aliases based on the semantics of the particular language, but they all map to specific types in the .NET framework.
share
|
improv...
Conversion from Long to Double in Java
... Naman
68.5k2121 gold badges156156 silver badges264264 bronze badges
answered Sep 16 '10 at 8:23
YoKYoK
13.4k44 gold badges4444...
How does the Java 'for each' loop work?
...'re almost equivalent, but with collections, iterator wins.
*This post is based on two answers I wrote on Stack Overflow:
Uses and syntax for for-each loop in Java
Should I use an Iterator or a forloop to iterate?
Some more information: Which is more efficient, a for-each loop, or an iterator?
...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...大，可以有很多种类型，在DOS的可执行程序中，有只用到64KB的.com文件，也有大大小小的.exe文件。到了Win32环境下，又有了可以用4GB内存的PE格式可执行文件，编写不同类型的可执行文件要用.model语句定义不同的参数，具体如下 ...
Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
...2
let dispatchTime: dispatch_time_t = dispatch_time(DISPATCH_TIME_NOW, Int64(0.1 * Double(NSEC_PER_SEC)))
dispatch_after(dispatchTime, dispatch_get_main_queue(), {
// your function here
})
share
|
...