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What reason is there to use null instead of undefined in JavaScript?
I've been writing JavaScript for quite a long time now, and I have never had a reason to use null . It seems that undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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How can I join elements of an array in Bash?
If I have an array like this in Bash:
30 Answers
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How to open the Chrome Developer Tools in a new window?
... I try to use the Chrome Developer Tools, it seems I can no longer view it in a new window.
5 Answers
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How to convert all tables from MyISAM into InnoDB?
I know I can issue an alter table individually to change the table storage from MyISAM to InnoDB.
26 Answers
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how to use javascript Object.defineProperty
I looked around for how to use the Object.defineProperty method, but couldn't find anything decent.
10 Answers
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How can I verify a Google authentication API access token?
...nd post it and get the response
https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=accessToken
you can try in address bar in browsers too, use httppost and response in java also
response will be like
{
"issued_to": "xxxxxxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.apps.googleuser...
Select row with most recent date per user
I have a table ("lms_attendance") of users' check-in and out times that looks like this:
11 Answers
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How do I create a custom Error in JavaScript?
For some reason it looks like constructor delegation doesn't work in the following snippet:
23 Answers
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Why maven? What are the benefits? [closed]
What are the main benefits of using maven compared to let's say ant ?
It seems to be more of a annoyance than a helpful tool.
I use maven 2, with plain Eclipse Java EE (no m2eclipse), and tomcat.
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Android search with Fragments
... a tutorial or an example of how to implement the standard Android search interface with Fragment s? In other words, is it possible to put a standard search with a SearchManager in a Fragment?
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