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Disable pasting text into HTML form
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...on(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaScript functions and...
Using Git, show all commits that are in one branch, but not the other(s)
... branches which contain the commits from "branch-to-delete".
If it reports more than just "branch-to-delete", the branch has been merged.
Your alternatives are really just rev-list syntax things. e.g. git log one-branch..another-branch shows everything that one-branch needs to have everything ano...
How to convert a Title to a URL slug in jQuery?
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How to take screenshot of a div with JavaScript?
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How can I define a composite primary key in SQL?
...a table can have at most one primary key. A primary key consists of one or more columns (from that table). If a primary key consists of two or more columns it is called a composite primary key. It is defined as follows:
CREATE TABLE voting (
QuestionID NUMERIC,
MemberID NUMERIC,
PRIMARY KEY (...
How to do a JUnit assert on a message in a logger
...ct everything, the root logger is a good place to start, but you can use a more specific if you'd like. Don't forget to remove the Appender when you're done, otherwise you might create a memory leak. Below I've done it within the test, but setUp or @Before and tearDown or @After might be better pl...
Python using enumerate inside list comprehension
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use of enumeration is great, how about making it more efficient using itertools
– Pramit
Nov 28 '16 at 22:29
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Encrypt Password in Configuration Files? [closed]
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AngularJs: How to check for changes in file input fields?
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