大约有 4,525 项符合查询结果(耗时:0.0106秒) [XML]
YYYY-MM-DD format date in shell script
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The preferred syntax in any POSIX-compliant shell in this millennium is date=$(date) instead of date=`date`. Also, don't use uppercase for your private variables; uppercase variable names are reserved for the system.
– tripleee
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Finding local IP addresses using Python's stdlib
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import socket
socket.gethostbyname(socket.gethostname())
This won't work always (returns 127.0.0.1 on machines having the hostname in /etc/hosts as 127.0.0.1), a paliative would be what gimel shows, use socket.getfqdn() instead. Of course your mach...
FixedThreadPool vs CachedThreadPool: the lesser of two evils
... What if someone decides to use commonPool?
– Crosk Cool
Dec 10 '18 at 12:25
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@Ravindra - Y...
How do I create a new class in IntelliJ without using the mouse?
......).
You can also do it from the Navigation Bar, press Alt+Home, then choose package with arrow keys, then press Alt+Insert.
Another useful shortcut is View | Select In (Alt+F1), Project (1), then Alt+Insert to create a class near the existing one or use arrow keys to navigate through the package...
Correct way to pause Python program
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For windows only use:
import os
os.system("pause")
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What is an uninterruptible process?
...can potentially involve spinning up a hard drive, or moving heads. During most of this time, the process will be sleeping, blocking on the hardware.
While the process is sleeping in the system call, it can receive a Unix asynchronous signal (say, SIGTERM), then the following happens:
The system c...
How to completely uninstall Visual Studio 2010?
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Update April 2016 - for VS2013+
Microsoft started to address the issue in late 2015 by releasing VisualStudioUninstaller.
They abandoned the solution for a while; however work has begun again again as of April 2016.
There has finally been an official release fo...
Provisioning Profiles menu item missing from Xcode 5
After spending a whole day installing a fresh copy of Mac OS X v10.8 (Mountain Lion), Xcode 5, fixing provisioning profiles, certificates, creating new ones, I finally managed to get my applications running on my iPad again. The problem is that in Xcode 5 I don't have a menu item for Library ...
Longest line in a file
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Note that only the -c -l -m -w options are POSIX. -L is a GNUism.
– Jens
Aug 30 '11 at 7:24
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How do I install the yaml package for Python?
... The name of the PyYAML package at least on Fedora 21 and CentOS 7 is just PyYAML not python-yaml.
– TNT
Mar 27 '15 at 15:03
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