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Why does !{}[true] evaluate to true in JavaScript?
...y containing true, which is true.
On the other hand, applying the ! operator makes the parser interpret {} as an object literal, so the following {}[true] becomes a member access that returns undefined, and !{}[true] is indeed true (as !undefined is true).
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Google access token expiration time
...ccess_token from the Google API, it comes with an expires_in value. According to the documentation, this value indicates "The remaining lifetime of the access token".
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How to define different dependencies for different product flavors
...onverting one of my apps to Gradle and would like to use the new build flavor features to have a paid and a free ad based flavor.
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How do I uniquely identify computers visiting my web site?
...
These people have developed a fingerprinting method for recognising a user with a high level of accuracy:
https://panopticlick.eff.org/static/browser-uniqueness.pdf
We investigate the degree to which modern web browsers
are subject to “device fingerprinting...
Convert Go map to json
...
If you had caught the error, you would have seen this:
jsonString, err := json.Marshal(datas)
fmt.Println(err)
// [] json: unsupported type: map[int]main.Foo
The thing is you cannot use integers as keys in JSON; it is forbidden. Instead, you can ...
How to Get a Layout Inflater Given a Context?
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This is the only method that worked for me. Every other one that I've tried so far threw an exception.
– num1
Mar 12 '11 at 0:21
4
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Determining if a variable is within range?
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This also works for Date and DateTime objects while === does not.
– Aditya
Jun 4 '12 at 2:23
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Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
I have been unable to overcome this error in Application Loader. I've quit, restarted, tried different computers - it's like the server is hung up on an op that I never initiated and it won't time out. Has anyone seen it before and beaten it?
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What is the use of join() in Python threading?
...d
| |
| +........... child-thread(short)
+.................................. child-thread(long)
with join
+---+---+------------------***********+### main-thread
| | |
| +...........join() | ...
What's the state of the art in email validation for Rails?
... Nice, I am using your gem. Thanks.
– jasoncrawford
Feb 20 '12 at 23:22
looks like ###@domain.com will validate?
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