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How can you integrate a custom file browser/uploader with CKEditor?

...ed. An optional third parameter can be text that you want displayed in a standard alert dialog, such as "illegal file" or something. Set url to an empty string if the third parameter is an error message. CKEditor's "upload" tab will submit a file in the field "upload" - in PHP, that goes to $_FILES...
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Is Meyers' implementation of the Singleton pattern thread safe?

... In C++11, it is thread safe. According to the standard, §6.7 [stmt.dcl] p4: If control enters the declaration concurrently while the variable is being initialized, the concurrent execution shall wait for completion of the initialization. GCC and VS support for the...
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How to permanently set $PATH on Linux/Unix? [closed]

... session. In case of the shell script you must use a specific shell syntax and export or set commands. System wide /etc/environment List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used ...
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Get encoding of a file in Windows

This isn't really a programming question, is there a command line or Windows tool (Windows 7) to get the current encoding of a text file? Sure I can write a little C# app but I wanted to know if there is something already built in? ...
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How does lock work exactly?

...// body } finally { Monitor.Exit(temp); } In C# 4.0 this has changed and it is now generated as follows: bool lockWasTaken = false; var temp = obj; try { Monitor.Enter(temp, ref lockWasTaken); // body } finally { if (lockWasTaken) { Monitor.Exit(temp); } } You c...
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Different return values the first and second time with Moq

... .Returns(true); Calling connect will only be successful on the third and fifth attempt otherwise an exception will be thrown. So for your example it would just be something like: repository.SetupSequence(x => x.GetPageByUrl<IPageModel>(virtualUrl)) .Returns(null) .Returns(pageModel....
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How to convert a Java 8 Stream to an Array?

... it does is find a method that takes in an integer (the size) as argument, and returns a String[], which is exactly what (one of the overloads of) new String[] does. You could also write your own IntFunction: Stream<String> stringStream = ...; String[] stringArray = stringStream.toArray(size...
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List vs List

...( aMap ); // Perfectly legal (adding a Map to a List of Maps) // But maps and hashMaps are the same object, so this should be the same as hashMaps.add( aMap ); // Should be illegal (aMap is not a HashMap) So this is why a List of HashMaps shouldn't be a List of Maps. ...
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How to change the default collation of a table?

... To change the default character set and collation of a table including those of existing columns (note the convert to clause): alter table <some_table> convert to character set utf8mb4 collate utf8mb4_unicode_ci; Edited the answer, thanks to the prompt...
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How to do an INNER JOIN on multiple columns

I'm working on a homework project and I'm supposed to perform a database query which finds flights either by the city name or the airport code, but the flights table only contains the airport codes so if I want to search by city I have to join on the airports table. ...