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android on Text Change Listener
I have a situation, where there are two fields. field1 and field2 . All I want
to do is empty field2 when field1 is changed and vice versa. So at the end only
one field has content on it.
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Sleeping in a batch file
When writing a batch file to automate something on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a be...
Node.js Mongoose.js string to ObjectId function
Is there a function to turn a string into an objectId in node using mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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ReactJS - Does render get called any time “setState” is called?
Does React re-render all components and sub components every time setState() is called?
7 Answers
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Avoid dropdown menu close on click inside
I have a Twitter Bootstrap dropdown menu. As all Twitter Bootstrap users know, the dropdown menu closes on click (even clicking inside it).
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How to use if statements in underscore.js templates?
I'm using the underscore.js templating function and have done a template like this:
8 Answers
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How can I implement prepend and append with regular JavaScript?
How can I implement prepend and append with regular JavaScript without using jQuery?
11 Answers
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Replacements for switch statement in Python?
I want to write a function in Python that returns different fixed values based on the value of an input index.
44 Answers...
is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
Are static class variables possible in Python?
Is it possible to have static class variables or methods in Python? What syntax is required to do this?
21 Answers
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