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What is unit testing and how do you do it? [duplicate]
...r program into pieces, and subjecting each piece to a series of tests.
Usually tests are run as separate programs, but the method of testing varies, depending on the language, and type of software (GUI, command-line, library).
Most languages have unit testing frameworks, you should look into one ...
Where can I find “make” program for Mac OS X Lion?
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Have you installed Xcode and the developer tools? I think make, along with gcc and friends, is installed with that and not before. Xcode 4.1 for Lion is free.
sha...
CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
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Try
ALLOWED_HOSTS = ['*']
Less secure if you're not firewalled off or on a public LAN, but it's what I use and it works.
EDIT: Interestingly enough I've been needing to add this to a few of my 1.8 projects even when DEBUG = Tr...
Changing cursor to waiting in javascript/jquery
...ult");
}
});
});
This will create a loading cursor till your ajax call succeeds.
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Add new column with foreign key constraint in one command
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As so often with SQL-related question, it depends on the DBMS. Some DBMS allow you to combine ALTER table operations separated by commas. For example...
Informix syntax:
ALTER TABLE one
ADD two_id INTEGER,
ADD CONSTRAINT FOREIGN KEY(two_id) REFERENCES two(id);
The syntax for IBM DB2 LU...
How to make completely transparent navigation bar in iOS 7
... Thanks this is an easy way to set the navigation bar to totally transparent
– Hong Zhou
Aug 16 '16 at 12:54
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AngularJS: ng-show / ng-hide not working with `{{ }}` interpolation
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Thanks, this was not very intuitive (as you can tell from all the up-votes)
– Sentient
Mar 14 '14 at 0:51
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bash: Bad Substitution
...ported by some other shell (probably dash). Questions don't always contain all the needed details, and we must join the dots... anyway feel free to downvote my answer.
– Vanni Totaro
Dec 1 '15 at 11:10
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proguard hell - can't find referenced class
...dependancy on javax.xml.stream.events. I don't think that namespace is actually included in android at all. (See Package Index).
Try deploying it to the emulator without using proguard and see if it works. My guess would be no if that warning is accurate.
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How is std::function implemented?
According to the sources I have found, a lambda expression is essentially implemented by the compiler creating a class with overloaded function call operator and the referenced variables as members. This suggests that the size of lambda expressions varies, and given enough references variables tha...