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Is String.Format as efficient as StringBuilder

...egabytes of text, or whether it's being called when a user clicks a button now and again. Unless you're doing some huge batch processing job I'd stick with String.Format, it aids code readability. If you suspect a perf bottleneck then stick a profiler on your code and see where it really is. ...
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How do I Sort a Multidimensional Array in PHP [duplicate]

...C ? -1 : 1; // If a projection was defined project the values now if ($projection) { $lhs = call_user_func($projection, $first[$column]); $rhs = call_user_func($projection, $second[$column]); } else { $l...
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What's the difference between Sender, From and Return-Path?

... I am looking at the headers of a message in my inbox right now, and it has a From: address, and a (different) Return-Path: address, so I don't know what you are referring to – chiliNUT Apr 30 '15 at 18:45 ...
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Best way to structure a tkinter application? [closed]

... @Bryan Oakley do you know any good sample codes on internet that i can study their structure? – Chris Aung Jul 5 '13 at 8:35 3 ...
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What are the differences between .gitignore and .gitkeep?

... do a touch /path/to/emptydirectory/.gitkeep to add the file, and Git will now be able to maintain this directory in the repository. share | improve this answer | follow ...
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How do I get the SharedPreferences from a PreferenceActivity in Android?

...me reading some stupid nerds answers/comments all over SE, who think they know when they actually don't.. Thanks @Pentium10, do you own any blog, thanks again, really appreciate it :) – Sanjeevcn Mar 14 '15 at 6:55 ...
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Get object by id()? [duplicate]

...cast(id(a), ctypes.py_object).value output: hello world If you don't know whether the object is still there, this is a recipe for undefined behavior and weird crashes or worse, so be careful. share | ...
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How to add a custom Ribbon tab using VBA?

...ustom Tab. You will notice that the basic code is automatically generated. Now you are all set to edit it as per your requirements. Let's inspect the code label="Custom Tab": Replace "Custom Tab" with the name which you want to give your tab. For the time being let's call it "Jerome". The belo...
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Why in Java 8 split sometimes removes empty strings at start of result array?

...n't match zero-length string, you don't need to do anything. If you don't know whether the regex can match zero-length string or not, do both the actions in step 1. (?!\A) checks that the string does not end at the beginning of the string, which implies that the match is an empty match at the begi...
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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?

...d application scrolls the lyrics back to the top every time you go to the "Now Playing" view. However, when you are loading things from a server, you also have to think about latency. If you pack all of your network communication into viewDidLoad or viewWillAppear, they will be executed before the ...