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Xcode duplicate/delete line

...efault" and things should work. Tested on XCode 3.2 on Snow Leopard. More information on Mac OS X key bindings: http://funkworks.blogspot.it/2013/03/republishing-of-wwwerasetotheleftcompos.html share | ...
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When do you use map vs flatMap in RxJava?

...atMap can do magic work but map can't. For example, I want to get a user's info but I have to first get his id when user login in. Obviously I need two requests and they are in order. Let's begin. Observable<LoginResponse> login(String email, String password); Observable<UserInfo> f...
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Rails 3: I want to list all paths defined in my rails application

...fficial way to see all the routes, by going to http://localhost:3000/rails/info/routes. Official docs: https://guides.rubyonrails.org/routing.html#listing-existing-routes Though, it may be late, But I love the error page which displays all the routes. I usually try to go at /routes (or some bogus...
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Is the creation of Java class files deterministic?

...u2 minor_version; u2 major_version; u2 constant_pool_count; cp_info constant_pool[constant_pool_count-1]; u2 access_flags; u2 this_class; u2 super_class; u2 interfaces_count; u2 interfaces[interfaces_count]; u2 fields_count; field_info fields[fields_count]; ...
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How do I display an alert dialog on Android?

...eight="wrap_content"> <TextView android:id="@+id/dialog_info" android:layout_width="match_parent" android:layout_height="wrap_content" android:padding="10dp" android:text="@string/dialog_text"/> <LinearLayout android:layout_width=...
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Storing SHA1 hash values in MySQL

... dev.mysql.com/doc/refman/5.5/en/… provides info on performance and storage when storing results of crypt functions – Clocker Apr 29 '16 at 15:36 ...
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Is it a good practice to use try-except-else in Python?

...efore-you-leap" constructs. For example, testing os.path.exists results in information that may be out-of-date by the time you use it. Likewise, Queue.full returns information that may be stale. The try-except-else style will produce more reliable code in these cases. "It my understanding that...
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What's the difference between `raw_input()` and `input()` in Python 3?

...your script and add this to begin of your script: from sys import version_info if version_info.major == 3: pass elif version_info.major == 2: try: input = raw_input except NameError: pass else: print ("Unknown python version - input function not safe") ...
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Adding an identity to an existing column

...uirements above. UPDATE - Eric Wu had a comment below that adds important info about this solution. Copying it here to make sure it gets more attention: There's another caveat here that is worth mentioning. Although the new table will happily receive data from the old table, and all the ne...
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How to stop IntelliJ truncating output when I run a build?

...h IntelliJ 11 (on the Mac at least), this setting is configured instead in Info.plist: IDEA_HOME/Contents/Info.plist There should already be a value there so just modify it instead of adding a new one. share | ...