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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

I have a UIImage (Cocoa Touch). From that, I'm happy to get a CGImage or anything else you'd like that's available. I'd like to write this function: ...
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Recommended way to save uploaded files in a servlet application

...e server's work folder get synced with last updates (this is in IDE terms called "publishing"). This is the main cause of the problem you're seeing. In real world code there are circumstances where storing uploaded files in the webapp's deploy folder will not work at all. Some servers do (either by...
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how to concatenate two dictionaries to create a new one in Python? [duplicate]

... Slowest and doesn't work in Python3: concatenate the items and call dict on the resulting list: $ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \ 'd4 = dict(d1.items() + d2.items() + d3.items())' 100000 loops, best of 3: 4.93 usec per loop Fastest: exploit the dict co...
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----

...t's because permissions are set as an octal integer, and Python automagically treats any integer with a leading zero as octal. So os.chmod("file", 484) (in decimal) would give the same result. What you are doing is passing 664 which in octal is 1230 In your case you would need os.chmod("/...
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凤姐当天使 徐小平胡海泉薛蛮子王刚怎么看? - 资讯 - 清泛网 - 专注C/C++...

...是美国回来的概念,我们看天使投资基本上定义成“三个F”:一般是创业者的家人(Family),创业者的朋友(Friends),和比较傻B(Fools)的人。当时想一想,被我投的都不是我的家人,基本上都是朋友,我是从投朋友开始成为天使投资...
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Convert Linq Query Result to Dictionary

... I just made my check. Sadly, while getting the TableObj, it fetches all the objects from the db so I end up getting the trafic hit. I also checked the queries that the second way I posted (and wanted to avoid) and they only get the necessary items. Sure it does 2 queries so the server itself...
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Method call if not null in C#

...oving the race-condition, i.e. you don't need a temporary variable. So normally you'd need: var handler = SomeEvent; if(handler != null) handler(this, EventArgs.Empty); but with: public static void SafeInvoke(this EventHandler handler, object sender) { if(handler != null) handler(sender, Eve...
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Capitalize only first character of string and leave others alone? (Rails)

...ying to get Rails to capitalize the first character of a string, and leave all the others the way they are. I'm running into a problem where "i'm from New York" gets turned into "I'm from new york." ...
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ASP.NET MVC Relative Paths

...ten have to use relative paths. For example, when I reference JQuery, I usually do so like this: 11 Answers ...
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Assigning code to a variable

...: var ButtonClicked = new Action(() => MessageBox.Show("hi")); Then call it: ButtonClicked(); For completeness (in regards to the various comments)... As Erik stated, you could execute multiple lines of code: var ButtonClicked = new Action(() => { MessageBox.Show("hi"); Messag...