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To ARC or not to ARC? What are the pros and cons? [closed]
...y of the code in the project I'm working on at the moment was written pre-iOS 5.0.
6 Answers
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How to get the home directory in Python?
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You want to use os.path.expanduser.
This will ensure it works on all platforms:
from os.path import expanduser
home = expanduser("~")
If you're on Python 3.5+ you can use pathlib.Path.home():
from pathlib import Path
home = str(Path.home...
How to get the system uptime in Windows? [closed]
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Following are eight ways to find the Uptime in Windows OS.
1: By using the Task Manager
In Windows Vista and Windows Server 2008, the Task Manager has been beefed up to show additional information about the system. One of these pieces of info is the server’s running time.
R...
How do you create a REST client for Java? [closed]
With JSR 311 and its implementations we have a powerful standard for exposing Java objects via REST. However on the client side there seems to be something missing that is comparable to Apache Axis for SOAP - something that hides the web service and marshals the data transparently back to Java objec...
Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
I just noticed the iOS 6/7 Delta property found under the UIView's structs layout.
6 Answers
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A semantics for Bash scripts?
...sy to interact specifically with the operating system and filesystem. The POSIX shell's (hereafter referred to just as "the shell") semantics are a bit of a mutt, combining some features of LISP (s-expressions have a lot in common with shell word splitting) and C (much of the shell's arithmetic synt...
Redirecting Output from within Batch file
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The simple naive way that is slow because it opens and positions the file pointer to End-Of-File multiple times.
@echo off
command1 >output.txt
command2 >>output.txt
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commandN >>output.txt
A better way - easier to write, and faster because the file is opened a...
How to parse the AndroidManifest.xml file inside an .apk package
...mat. What is this format and how can it be parsed programmatically (as opposed to using the aapt dump tool in the SDK)?
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Insert line after first match using sed
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Note the standard sed syntax (as in POSIX, so supported by all conforming sed implementations around (GNU, OS/X, BSD, Solaris...)):
sed '/CLIENTSCRIPT=/a\
CLIENTSCRIPT2="hello"' file
Or on one line:
sed -e '/CLIENTSCRIPT=/a\' -e 'CLIENTSCRIPT2="hello"' file
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程序员保值的4个秘密 - 杂谈 - 清泛网 - 专注C/C++及内核技术
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有一些技术，门槛是相对较高的，比如汇编语言，比如操作系统内核，比如驱动……正因为门槛高，回报也高。比如你熟悉 Windows 内核或 Android 内核，能够熟练撰写各种驱动，那找个月薪五六十K的工作不成问题，百八十K都不...