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To ARC or not to ARC? What are the pros and cons? [closed]
...ge collection. It has no GC runtime overhead. The compiler inserts retains and releases in all the places you should have anyway. But it's smarter than you and can optimize out the ones that aren't actually needed (just like it can unroll loops, eliminate temporary variables, inline functions, etc.)...
Mismatched anonymous define() module
...uire.js modules. The solution was to either:
A. load the non-require.js standalone bundles in script tags before require.js is loaded, or
B. load them using require.js (instead of a script tag)
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Static way to get 'Context' in Android?
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Do this:
In the Android Manifest file, declare the following.
<application android:name="com.xyz.MyApplication">
</application>
Then write the class:
public class MyApplication extends Application {
private static Conte...
What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
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The quick and dirty first pass solution is always a great one to start with, as a comparison if nothing else.
Greedy placement from large to small.
Put the largest rectangle remaining into your packed area. If it can't fit anywhere, ...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...存在。
"w" 打开只写文件，若文件存在则文件长度清为0，即该文件内容会消失。若文件不存在则建立该文件。
"w+" 打开可读写文件，若文件存在则文件长度清为零，即该文件内容会消失。若文件不存在则建立该文件。
"a" ...
App Inventor 2 接入百度网盘API · App Inventor 2 中文网
...s_token，后面操作都需要它：
http://openapi.baidu.com/oauth/2.0/authorize?display=mobile&response_type=token&client_id=[AppKey]&redirect_uri=oob&scope=basic,netdisk
请注意：手机的话，必须将 display=mobile 加上，以展示手机版的授权画面（电脑版极有可能...
“To Do” list before publishing Android app to market [closed]
I'm just about ready to publish my first app to the Android market, and I'd like to know if any of you have any tips about any experiences you may have encountered in regard to publishing an app that goes beyond the obvious and already documented.
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Adding Core Data to existing iPhone project
...o manually import the header in the files you need them.
So open up Xcode and look for some file like App_Prefix.pch, by default it's in the Other Sources group. After the UIKit import statement, add the following line:
#import <CoreData/CoreData.h>
And you should be ready to go.
Xcode 4
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Proper way to declare custom exceptions in modern Python?
...xception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
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Retrieve version from maven pom.xml in code
...ere).
Set the value of some property in your .properties file using the standard Maven property for project version:
foo.bar=${project.version}
In your Java code, load the value from the properties file as a resource from the classpath (google for copious examples of how to do this, but here's an...