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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...s we already know, ToPrimitive([]) is the empty string, and according to §9.3.1, ToNumber("") is 0.
{} + {}
Similar to the previous case, the first {} is parsed as a block with empty return value. Again, +{} is the same as ToNumber(ToPrimitive({})), and ToPrimitive({}) is "[object Object]" (see []...
Download a specific tag with Git
...
Thx. I needed to use git checkout -b b1.5.0 v1.5.0 when checking out a version within a 'gh-pages' branch to successfully push to Github Pages. This Gist I wrote up might help others re: branch/tag/submodules... gist.github.com/1064750
– Chris Jac...
How to pass payload via JSON file for curl?
...pecify the correct content type header:
$ curl -vX POST http://server/api/v1/places.json -d @testplace.json \
--header "Content-Type: application/json"
But that will only work if the server accepts json input. The .json at the end of the url may only indicate that the output is json, it doesn't n...
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
...t presented view, it's back to it's original size.
– V1ru8
Apr 7 '11 at 15:38
It worked. But the word in the view look...
Vagrant error: NFS is reporting that your exports file is invalid
...rts. See colinhoernig's answer. Also, I just updated my vagrant install to v1.4.3 and VirtualBox to v4.3.8 and that seemed to solve my problem.
– donut
Mar 2 '14 at 18:02
5
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numpy: most efficient frequency counts for unique values in an array
... @NumesSanguis What version of numpy are you using? Prior to v1.9, the return_counts keyword argument didn't exist, which might explain the exception. In that case, the docs suggest that np.unique(x, True) is equivalent to np.unique(x, return_index=True), which doesn't return counts.
...
receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm
I am using npm v1.0.104/node 0.6.12 on ubuntu - I am receiving the error copied below while attempting to install any new modules via npm (I tested socket.io earlier using http, not https though & am wondering if that could have resulted in the issue with npm/unsigned certs). The error pops up once...
Access to private inherited fields via reflection in Java
...
"As of the Java 2 platform v1.2, this class has been retrofitted to implement List, so that it becomes a part of Java's collection framework." retrofitted in 1.2? if that's not old then what is? Source: download.oracle.com/javase/1.4.2/docs/api/java/ut...
Django CSRF check failing with an Ajax POST request
... I tried but this doesn't seem to work for me, I am using jQuery v1.7.2, my question is stackoverflow.com/questions/11812694/…
– daydreamer
Aug 4 '12 at 23:56
...
In Python, how do I iterate over a dictionary in sorted key order?
...() (which produces a list of tuples), it will return a list of tuples [(k1,v1), (k2,v2), ...] which can be used in a loop in a way very much like a dict, but it is not in anyway a dict!
foo = {
'a': 1,
'b': 2,
'c': 3,
}
print foo
>>> {'a': 1, 'c': 3, 'b': 2}
prin...