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Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
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I've done this before.
I laid down a lot of paper towels on a table, and got out a loaf of (cheap) bread, a small tub of butter, a small jar of jelly, and a plastic butter knife.
I said to the kids, "How many of you think comput...
Call a function after previous function is complete
... function2(someOtherVariable);
});
}
else {
doThis(someVariable);
}
});
function function1(param, callback) {
...do stuff
callback();
}
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How do you use the Immediate Window in Visual Studio?
The Immediate Window is an immensely useful tool for debugging applications. It can be used to execute code statements that are valid in the context of a break point and inspect values. I also use it to type code snippets to learn language features.
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How to test if a string is basically an integer in quotes using Ruby
... answered Aug 5 '09 at 21:59
RadoRado
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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
...the same manner as if you did:
if (condition) {
/* condition is true, do something like echo */
}
else {
/* condition is false, do something else */
}
In your example, you are executing the echo statement when the $address is not empty. You can't do this the same way with the conditional ...
Rails migration for has_and_belongs_to_many join table
How do I do a script/generate migration to create a join table for a has_and_belongs_to_many relationship?
6 Answers
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How to convert a normal Git repository to a bare one?
... repo/.git, then tell the repository that it is now a bare repository.
To do this, execute the following commands:
cd repo
mv .git ../repo.git # renaming just for clarity
cd ..
rm -fr repo
cd repo.git
git config --bool core.bare true
Note that this is different from doing a git clone --bare to a...
How do I enable EF migrations for multiple contexts to separate databases?
How do I enable Entity Framework 5 (version 5.0.0) migrations for multiple DB contexts in the same project, where each context corresponds to its own database? When I run Enable-Migrations in the PM console (Visual Studio 2012), there's an error because of there being multiple contexts:
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CSS text-transform capitalize on all caps
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There is no way to do this with CSS, you could use PHP or Javascript for this.
PHP example:
$text = "ALL CAPS";
$text = ucwords(strtolower($text)); // All Caps
jQuery example (it's a plugin now!):
// Uppercase every first letter of a word...
How do I prevent the modification of a private field in a class?
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but do make sure it's a deep copy, not a shallow copy, of the data. For Strings it makes no difference, for other classes like Date where the content of the instance can be modified it can make a difference.
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