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How to hide output of subprocess in Python 2.7
...ULL that you have opened?
– Val
Nov 11 '13 at 12:47
13
Just a note, you can use close_fds=True in...
MySQL CONCAT returns NULL if any field contain NULL
...es: it returns the first non-NULL value parameter passed to it (or NULL if all parameters are NULL). By passing an empty string as the second parameter, you are guaranteeing it will not return NULL.
– Jo.
Mar 10 '17 at 17:03
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How to capture stdout output from a Python function call?
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edited Jan 11 at 19:50
Antti Haapala
109k2121 gold badges223223 silver badges258258 bronze badges
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background function in Python
...em is. I've got a function that downloads the image needed and saves it locally. Right now it's run inline with the code that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in t...
Understanding Apache's access log
...the client IP)
%l is the identity of the user determined by identd (not usually used since not reliable)
%u is the user name determined by HTTP authentication
%t is the time the request was received.
%r is the request line from the client. ("GET / HTTP/1.0")
%>s is the status code sent from the s...
Can you do a partial checkout with Subversion?
...ight find useful. From the documentation:
... sparse directories (or shallow checkouts) ... allows you to easily check out a working copy—or a portion of a working copy—more shallowly than full recursion, with the freedom to bring in previously ignored files and subdirectories at a later tim...
Running python script inside ipython
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answered Feb 11 '15 at 19:12
CubeBot88CubeBot88
8101010 silver badges1212 bronze badges
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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...引导标记
DD 0xffffffff ; 卷序列号
DB "PFOS v1.0.0" ; 卷标(11个字节)
DB "FAT12 " ; 文件系统类型(8个字节)
;---------------------------------------------------------------------
; 448个字节，引导代码、数据及其他填充字符
TIMES 18 DB 0
_STA...
js/php判断终端类型：PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...
... mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
android: u.indexOf('Android') > -1, //android终端
iPhone: u.indexOf('iPhone') > -1, //是否为iPhone
iPad: u.indexOf('iPad') > -1, //是否iPad
...
Greenlet Vs. Threads
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Greenlets provide concurrency but not parallelism. Concurrency is when code can run independently of other code. Parallelism is the execution of concurrent code simultaneously. Parallelism is particularly useful when there's a lot of work to be done in userspace, an...