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How do I check if an index exists on a table field in MySQL?

...re a.table_schema = 'your_schema' and a.column_name = 'your_column' order by a.table_schema, a.table_name; since the joins are against INNODB_SYS_*, so the match indexes only came from INNODB tables only share ...
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Is there a predefined enumeration for Month in the .NET library?

...s it doesn't prove the negative, but a little reasoning wouldn't be out of order: There is no enum because enums can't be localized. Months.January would have little if no meaning to a Russian programmer. This is further supported by looking at the functions that DO provide month names - they are...
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What's “tools:context” in Android layout files?

...ction; an activity can call setContentView(layout) to display a layout) in order to drive certain features. Right now, we're using it for one thing only: Picking the right theme to show for a layout (since the manifest file can register themes to use for an activity, and once we know the activity a...
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Is there a better way to do optional function parameters in JavaScript? [duplicate]

...ould refactor to pass an object and merge it with a default object, so the order in which arguments are passed doesn't matter (see the second section of this answer, below). If, however, you just want something quick, reliable, easy to use and not bulky, try this: A clean quick fix for any numbe...
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How to ignore certain files in Git

...to your local working copy. How to ignore changed files (temporarily) In order to ignore changed files to being listed as modified, you can use the following git command: git update-index --assume-unchanged <file> To revert that ignorance use the following command: git update-index --no-...
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Cannot make a static reference to the non-static method

...agmatic answer. getText is a method of the Context abstract class and in order to call it, one needs an instance of it's subclass (Activity, Service, Application or other). The problem is, that the public static final variables are initialized before any instance of Context is created. There are ...
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Matplotlib 2 Subplots, 1 Colorbar

... This may have been obvious to others, but I wanted to point out that in order that the colourbar does accurately represent the colour in all the plots, the vmin and vmax arguments are critical. They control the colour range of each subplot. If you have real data, you may need to do a pass through...
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capturing self strongly in this block is likely to lead to a retain cycle

...etter read from right to left. Declaring SomeType* __weak variable in this order reads more naturally from right to left as: variable is a weak pointer to SomeType. share | improve this answer ...
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Mockito: Trying to spy on method is calling the original method

...ing Mockito 2.0, I had to change all the any() parameters to nullable() in order to stub the real call. share | improve this answer | follow | ...
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Check to see if python script is running

... This works BEAUTIFULLY. It just has to be run as root in order to run on Ubuntu. +1 – Jimmy Oct 31 '15 at 14:57 11 ...