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Why is a div with “display: table-cell;” not affected by margin?

... urmurmururmurmur 40544 silver badges1212 bronze badges 2 ...
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Add a column to a table, if it does not already exist

...ry for MS SQL Server that adds a column into a table. But I don't want any error display, when I run/execute the following query. ...
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What do the f and t commands do in Vim?

Can somebody explain to me what the f and t commands do in vim and exactly how they work? I can't seem to find this information but people keep telling me that they are very useful. Would really appreciate an answer with an example if possible, thanks! ...
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Undoing a 'git push'

...ds set on the remote repository. If this is the case, then you will get an error which includes the phrase [remote rejected]. In this scenario, you will have to delete and recreate the branch. git push origin :alpha-0.3.0 git push origin cc4b63bebb6:refs/heads/alpha-0.3.0 If this doesn't work - ...
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What does the explicit keyword mean?

... implicit conversions. Adding it to the above class will create a compiler error at the function call DoBar (42). It is now necessary to call for conversion explicitly with DoBar (Foo (42)) The reason you might want to do this is to avoid accidental construction that can hide bugs. Contrived examp...
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Multiple arguments to function called by pthread_create()?

... @sigjuice, It doesn't work for me. I see compilation error: invalid conversion from ‘void*’ to ‘arg_struct*’. – Neshta Oct 15 '14 at 17:17 add a ...
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Generate class from database table

... Simple if you know to remove it - but you'll lose people when you give an error. – Simon_Weaver Nov 2 '18 at 23:17 Al...
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Finding all cycles in a directed graph

...lem. Some of them are listed in this article: http://dx.doi.org/10.1137/0205007 According to the article, Johnson's algorithm is the fastest one. share | improve this answer | ...
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How to check internet access on Android? InetAddress never times out

... run the ping command through the command line utility, I get a permission error. The command is also not working on emulators. Be careful using this solution. – Eren Yilmaz Jun 30 '15 at 14:40 ...
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How do you know a variable type in java?

... Thic code Double a = 1d; boolean b = a instanceof String; will cause error error: incompatible types: Double cannot be converted to String – Alex78191 Feb 20 at 18:48 ad...