大约有 23,000 项符合查询结果(耗时:0.0257秒) [XML]

https://stackoverflow.com/ques... 

Getting a timestamp for today at midnight?

... Regarding the 32 bit restriction: The PHP docu for strtotime states: "For 64-bit versions of PHP, the valid range of a timestamp is effectively infinite, as 64 bits can represent approximately 293 billion years in either direction." So it only applies to 32bit php. – Christoph...
https://stackoverflow.com/ques... 

Get current time in milliseconds in Python?

... For what I needed, here's what I did, based on @samplebias' comment above: import time millis = int(round(time.time() * 1000)) print millis Quick'n'easy. Thanks all, sorry for the brain fart. For reuse: import time current_milli_time = lambda: int(round(tim...
https://stackoverflow.com/ques... 

Find where python is installed (if it isn't default dir)

...ff: $ python Python 2.6.6 (r266:84297, Aug 24 2010, 18:13:38) [MSC v.1500 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> sys.executable 'c:\\Python26\\python.exe' >>> sys.exec_prefix 'c:\\Python26' >&g...
https://stackoverflow.com/ques... 

Is volatile expensive?

...zed block. Entering a synchronized block requires an atomic compareAndSet based write to take out the lock and a volatile write to release it. If the lock is contented then control has to pass from user space to kernel space to arbitrate the lock (this is the expensive bit). Accessing a volatile ...
https://stackoverflow.com/ques... 

Is there an ExecutorService that uses the current thread?

... I wrote an ExecutorService based on the AbstractExecutorService. /** * Executes all submitted tasks directly in the same thread as the caller. */ public class SameThreadExecutorService extends AbstractExecutorService { //volatile because can be...
https://stackoverflow.com/ques... 

How can I find where Python is installed on Windows?

...InstallPath HKCU\SOFTWARE\Python\PythonCore\versionnumber\InstallPath In 64-bit Windows, it will be under the Wow6432Node key: HKLM\SOFTWARE\Wow6432Node\Python\PythonCore\versionnumber\InstallPath share | ...
https://stackoverflow.com/ques... 

Java Security: Illegal key size or default parameters?

... @JamesBlack - Yep, and to make sure all the bases were covered I put the JAR's under Java/jre/lib/security, Java/jdk/lib/security, and Java/jdk/jre/lib/security. Running 'java -version' returns the expected details. – aroth Oct 2...
https://stackoverflow.com/ques... 

Debugging with command-line parameters in Visual Studio

...s mentioned above didn't work. Solution was changing platform from x86 to x64 since I am working on a 64bit machine. – hfrmobile Mar 6 at 8:18 add a comment ...
https://stackoverflow.com/ques... 

Unresolved external symbol in object files

... I had an error where my project was compiled as x64 project. and I've used a Library that was compiled as x86. I've recompiled the library as x64 and it solved it. share | ...
https://stackoverflow.com/ques... 

How do I trim leading/trailing whitespace in a standard way?

... 164 If you can modify the string: // Note: This function returns a pointer to a substring of the o...