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Is there a shortcut to make a block comment in Xcode?

... Created Automator service using AppleScript Make sure "Output replaces selected text" is checked Enter the following code: on run {input, parameters} return "/*\n" & (input as string) & "*/" end run Now you can access that service through Xcode - Services menu, or by right clicking...
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Python Pandas merge only certain columns

... You can use .loc to select the specific columns with all rows and then pull that. An example is below: pandas.merge(dataframe1, dataframe2.iloc[:, [0:5]], how='left', on='key') In this example, you are merging dataframe1 and dataframe2. You h...
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Rails find record with zero has_many records associated [duplicate]

..._joins(:photos).where(photos: {id: nil}) which will result in SQL like: SELECT cities.* FROM cities LEFT OUTER JOIN photos ON photos.city_id = city.id WHERE photos.id IS NULL Using includes: City.includes(:photos).where(photos: {id: nil}) will have the same result, but will result in much ug...
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Intellij shortcut to convert code to upper or lower case?

... I have trouble where sometimes pressing CTRL+SHIFT+U just replaces the selected text with the letter U.... sometimes it works, but usually it just does the replacing. – Trenton Jul 31 '14 at 16:15 ...
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How to set the java.library.path from Eclipse

... has items for source/javadoc and native library locations. Specifically: select Project, right click -> Properties / Java Build Path / Libraries tab, select a .jar, expand it, select Native library location, click Edit, folder chooser dialog will appear) Messing with the library path on the co...
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What does the thread_local mean in C++11?

... this would mess it up: while (something) { char *next = strtok(whatever); someFunction(next); // someFunction calls strtok } – japreiss Jun 25 '14 at 20:18 ...
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What are the “must have” jQuery plugins? [closed]

... My list: Autocomplete Input field to enable users quickly finding and selecting some value, leveraging searching and filtering. JSON JSON plugin retrieving retrieving and manipulating json data. Cookie Simple & lightweight utility plugin for reading, writing and deleting cookies. Va...
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Why are const parameters not allowed in C#?

...rrectness. The simple example of const int arg is cute, but I've also seen char * const * const arg - a constant pointer to constant pointers to non-constant characters. Const-correctness on pointers to functions is a whole new level of obfuscation. The second is because class arguments are referen...
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How to get a one-dimensional scalar array as a doctrine dql query result?

...as callback, instead of writing a closure. $result = $em->createQuery("SELECT a.id FROM Auction a")->getScalarResult(); $ids = array_map('current', $result); See Petr Sobotka's answer below for additional info regarding memory usage. PHP >= 5.5 As jcbwlkr's answered below, the rec...
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Remote connect to clearDB heroku database

... In heroku website, go to My Apps and select the app on which you have installed ClearDB. On the top corner click on Addons and then select ClearDB MySQL Database. Once there, click on your database and choose the 'Endpoint Information' tab. There you see your ...