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Declare a block method parameter without using a typedef

...ssue benefits from multiple): @implementation CallbackAsyncClass { void (^_loginCallback) (NSDictionary *response); } // … - (void)loginWithCallback:(void (^) (NSDictionary *response))handler { // Do something async / call URL _loginCallback = Block_copy(handler); // response will c...
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Pros and Cons of Interface constants [closed]

...mple of a good enough and a bad use: Bad: interface User { const TYPE_ADMINISTRATOR = 1; const TYPE_USER = 2; const TYPE_GUEST = 3; } Good Enough: interface HTTPRequest_1_1 { const TYPE_CONNECT = 'connect'; const TYPE_DELETE = 'delete'; const TYPE_GET ...
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How to iterate over rows in a DataFrame in Pandas

... From the documentation: "Iterating through pandas objects is generally slow. In many cases, iterating manually over the rows is not needed[...]". Your answer is correct (in the context of the question) but does not mention this anywhere, so it isn't a very good one. – ...
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.net localhost website consistently making get arterySignalR/poll?transport=longPolling&connectionTo

...ewed the default.aspx page with the Firefox browser. When I check the net calls it has made, I see it making constant calls to: ...
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How can you find and replace text in a file using the Windows command-line environment?

... comes with PowerShell built-in. Here is the script I used to find/replace all instances of text in a file: powershell -Command "(gc myFile.txt) -replace 'foo', 'bar' | Out-File -encoding ASCII myFile.txt" To explain it: powershell starts up powershell.exe, which is included in Windows 7 -Command ...
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How do I sort a Set to a List in Java?

...documentation on TreeSet states (see download.oracle.com/javase/1.4.2/docs/api/java/util/…), it effectively uses the compareTo() method instead of the equals() method - so if you have two objects in the set that have the same equals() outcome, they will be seen as duplicates and, as such, will not...
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Difference between Convert.ToString() and .ToString()

... var arg = Request.Params.Get("__EVENTARGUMENT"); string _arg = Convert.ToString(arg); _arg is not returing String.Empty when arg is null. why? – vml19 Mar 12 '12 at 3:33 ...
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Java equivalent to #region in C#

... Actually this can be achieved. If you scroll down on this post "Yaqub Ahmad" explains how to get this functionality. Also here is a link (kosiara87.blogspot.com/2011/12/…) that shows you how to add it to your existing eclipse e...
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How to programmatically determine the current checked out Git branch [duplicate]

...ions/git-completion.bash does that for bash prompt in __git_ps1. Removing all extras like selecting how to describe detached HEAD situation, i.e. when we are on unnamed branch, it is: branch_name="$(git symbolic-ref HEAD 2>/dev/null)" || branch_name="(unnamed branch)" # detached HEAD branc...
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How to write logs in text file when using java.util.logging.Logger

I have a situation in which I want to write all logs created by me into a text file. 10 Answers ...