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How to upgrade all Python packages with pip?
...ions for this. I'm trying to keep this answer short and simple, but please do suggest variations in the comments!
In older version of pip, you can use this instead:
pip freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs -n1 pip install -U
The grep is to skip editable ("-e") package definit...
module.exports vs exports in Node.js
...ollowing line will **work** with module.exports
func();
Basically node.js doesn't export the object that exports currently references, but exports the properties of what exports originally references. Although Node.js does export the object module.exports references, allowing you to call it like a...
Latest jQuery version on Google's CDN
I read in the official doc of the Google CDN that this is the src to jQuery:
5 Answers
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How to remove focus without setting focus to another control?
...layout). To remove focus from all Buttons/EditTexts etc, you can then just do
LinearLayout myLayout = (LinearLayout) activity.findViewById(R.id.my_layout);
myLayout.requestFocus();
Requesting focus did nothing unless I set the view to be focusable.
...
Using WebAPI or MVC to return JSON in ASP.NET
...that is client-script heavy, it will use JSON and jQuery to manipulate the DOM.
6 Answers
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How to clear basic authentication details in chrome
...ername@" part in the URL, but still keep it. If you re-enter the URL after doing this (without the @ part), it will stop asking. Just a tip!
– Mike Caron
Sep 1 '12 at 2:48
4
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Read/write files within a Linux kernel module
...t read/write files from kernel, instead how to use /proc or netlink to do that. I want to read/write anyway. I have also read
Driving Me Nuts - Things You Never Should Do in the Kernel .
...
How to add an extra column to a NumPy array
...
I think a more straightforward solution and faster to boot is to do the following:
import numpy as np
N = 10
a = np.random.rand(N,N)
b = np.zeros((N,N+1))
b[:,:-1] = a
And timings:
In [23]: N = 10
In [24]: a = np.random.rand(N,N)
In [25]: %timeit b = np.hstack((a,np.zeros((a.shape[0]...
Declaring an unsigned int in Java
...
Java does not have a datatype for unsigned integers.
You can define a long instead of an int if you need to store large values.
You can also use a signed integer as if it were unsigned. The benefit of two's complement representa...
Static extension methods [duplicate]
...lass.SomeStringExtension(myString);
So as you can see, there's no way to do that for static methods.
And another thing just dawned on me: what would really be the point of being able to add static methods on existing classes? You can just have your own helper class that does the same thing, so wh...