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How do I use JDK 7 on Mac OSX?
...Apple's Java 1.6, I had to run /Library/Java/JavaVirtualMachines/1.7.0.jdk and drag "Java SE 7" to the top of the list on the "General" tab. This will also make javac point to the Java 1.7 version when running the terminal.
– sschuberth
Jun 1 '12 at 8:19
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Why is '+' not understood by Python sets?
...'t have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both se...
Collection was modified; enumeration operation may not execute
...irectly changing the subscribers dictionary under the hood during the loop and leading to that message. You can verify this by changing
foreach(Subscriber s in subscribers.Values)
To
foreach(Subscriber s in subscribers.Values.ToList())
If I'm right, the problem will disappear.
Calling subscribers...
How can I remove the outline around hyperlinks images?
When we use Text Replacement using CSS and give a negative test-indent i.e. text-indent:-9999px . Then when we click on that link the Dotted line appears like in the sample image below. What's the solution for this?
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How to create a subdirectory for a project QtCreator?
... However, when I click on browse in QtCreator, there is no 'Add directory' and no such thing in 'Add new'. Can this be done somehow?
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How to identify platform/compiler from preprocessor macros?
...ompile at linux, windows, Mac OS. On windows, I must support visual studio and mingw.
4 Answers
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Lodash - difference between .extend() / .assign() and .merge()
... the Lodash library, can someone provide a better explanation of merge and extend / assign .
5 Answers
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No connection could be made because the target machine actively refused it?
...topping you.
If it happens occasionally - you used the word "sometimes" - and retrying succeeds, it is likely because the server has a full 'backlog'.
When you are waiting to be accepted on a listening socket, you are placed in a backlog. This backlog is finite and quite short - values of 1, 2 or...
Override intranet compatibility mode IE8
...hanging the meta header to IE8, but it doesn't acknowledge the meta header and just uses the browser setting. Does anyone know how to disable this?
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How to detect page zoom level in all modern browsers?
I need this because some of my calculations are pixel-based and they may fluctuate when zoomed.
28 Answers
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