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Difference between numpy.array shape (R, 1) and (R,)
...ts, shape = (2,).
# Note there's nothing after the comma.
z=np.array([ # start dimension
10, # not a dimension
20 # not a dimension
]) # end dimension
print(z.shape)
(2,)
# 2 dimensions, each with 1 element, shape = (2,1)
w=np.array([ # start outer dimension...
What is a message pump?
...ith the message.
Every GUI enabled .NET program has a message loop, it is started by Application.Run().
The relevance of a message loop to Office is related to COM. Office programs are COM-enabled programs, that's how the Microsoft.Office.Interop classes work. COM takes care of threading on beha...
What are the differences between django-tastypie and djangorestframework? [closed]
...mething really big like Quora, Facebook or Google.
Personally, I ended up starting working first on TastyPie at a time when I didn’t even know django properly. It all made sense at that time, only knowing REST and HTTP very well but with almost no or little knowledge about django. Because my only...
Python data structure sort list alphabetically
...igue', 'Sedge', 'Stem', 'Whim', 'constitute']
As you can see, words that start with an uppercase letter get preference over those starting with a lowercase letter. If you want to sort them independently, do this:
In [4]: sorted(lst, key=str.lower)
Out[4]: ['constitute', 'Eflux', 'Intrigue', 'Sedg...
CSS selector for text input fields?
...f you want to develop for IE6 either use IE7.js (as Yi Jiang suggested) or start adding classes to all your text inputs.
Reference: http://www.w3.org/TR/CSS2/selector.html#attribute-selectors
Because it is specified that default attribute values may not always be selectable with attribute select...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...it determines it will take the branch, then it has to invalidate that, and start at the branch target.
Most modern processors now have some sort of branch prediction, but that only assists when you've been through the branch before, and the branch is still in the branch prediction cache.
There are...
Android ACTION_IMAGE_CAPTURE Intent
...ap image. However, if we putExtra(EXTRA_OUTPUT,...) on the intent before starting it, everything works until you try to hit the "Ok" button in the camera app. The "Ok" button just does nothing. The camera app stays open and nothing locks up. We can cancel out of it, but the file never gets written...
Deep null checking, is there a better way?
...
Update: Starting with Visual Studio 2015, the C# compiler (language version 6) now recognizes the ?. operator, which makes "deep null checking" a breeze. See this answer for details.
Apart from re-designing your code, like
this del...
How to run a background task in a servlet based web application?
...c void someDailyJob() {
// Do your job here which should run every start of day.
}
@Schedule(hour="*/1", minute="0", second="0", persistent=false)
public void someHourlyJob() {
// Do your job here which should run every hour of day.
}
@Schedule(hour="*", minute=...
Node.js Error: Cannot find module express
...e too. I had winston installed globally, which worked for some reason when starting my app as a normal user, but when starting my app and a system init script it wouldn't work. I fixed it by installing winston locally in the app directory (and adding it to package.json).
– trus...