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How to define custom configuration variables in rails
...n You're getting that error, because Rails doesn't know what store is. In order to use the method in this answer, you can either rename your variable store_works, or create a config.store block with works defined therein.
– Paul Pettengill
Aug 21 '14 at 18:16
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How do you loop in a Windows batch file?
...tly defined to hold each. These are automatically assigned in alphabetical order %%H %%I %%J ...(implicit parameter definition)
If the parameter refers to a file, then enhanced variable reference can be used to extract the filename/path/date/size.
You can of course pick any letter of the alphabet ...
How to access random item in list?
...fle<T>(this IEnumerable<T> source)
{
return source.OrderBy(x => Guid.NewGuid());
}
}
For a strongly typed list, this would allow you to write:
var strings = new List<string>();
var randomString = strings.PickRandom();
If all you have is an ArrayList, you can...
How to check if a view controller is presented modally or pushed on a navigation stack?
...elf.navigationController != nil would mean it's in a navigation
stack.
In order to handle the case that the current view controller is pushed while the navigation controller is presented modally, I have added some lines of code to check if the current view controller is the root controller in the n...
Create MSI or setup project with Visual Studio 2012
...tension, built a simple msi to put a third party dll into the GAC in short order. Very simple, easy to use, does the basics.
– Chris Mills
Oct 8 '14 at 17:04
1
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TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Does a dot have to be escaped in a character class (square brackets) of a regular expression?
A dot . in a regular expression matches any single character. In order for regex to match a dot, the dot has to be escaped: \.
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What's the best way to do a backwards loop in C/C#/C++?
... For the first thing - why not just use end and begin in reverse order?
– Tomáš Zato - Reinstate Monica
Jan 6 '16 at 15:56
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sho...
MySQL Error 1215: Cannot add foreign key constraint
... where the foreign key columns are listed as the first columns in the same order. Such an index is created on the referencing table automatically if it does not exist. This index might be silently dropped later, if you create another index that can be used to enforce the foreign key constraint. inde...
How to hide reference counts in VS2013?
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