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Filtering a list based on a list of booleans
...paring things to True, this is usually not necessary. Instead of if filter[idx]==True: ..., you can simply write if filter[idx]: ....
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What is an SDL renderer?
...Rect* dstrect)
Where you want to render the texture in the window. If the width and height of this SDL_Rect is smaller or larger than the dimensions of the texture itself, the texture will be stretched according to this SDL_Rect
SDL_RenderPresent(renderer);
The other SDL_Render* functions draws t...
Upload files with HTTPWebrequest (multipart/form-data)
...g directly to the request stream. Here is the result:
public static void HttpUploadFile(string url, string file, string paramName, string contentType, NameValueCollection nvc) {
log.Debug(string.Format("Uploading {0} to {1}", file, url));
string boundary = "---------------------...
Align button at the bottom of div using CSS
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@Harry Joy: Did you also apply position: relative to the element that's containing your form+button?
– thirtydot
Apr 28 '11 at 10:43
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How to read data from a zip file without having to unzip the entire file
...enes, what DotNetZip does in the constructor is seek to the "directory" inside the zipfile, and then read it and populate the list of entries. At that point, if your app calls Extract() on one entry, DotNetZip seeks to the proper place in the zip file, and decompresses the data for just that entry....
python numpy ValueError: operands could not be broadcast together with shapes
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It's possible that the error didn't occur in the dot product, but after.
For example try this
a = np.random.randn(12,1)
b = np.random.randn(1,5)
c = np.random.randn(5,12)
d = np.dot(a,b) * c
np.dot(a,b) will be fine; however np.dot(a, b) * c is clearly...
How to use RSpec's should_raise with any kind of exception?
...ions/v/2-13/docs/built-in-matchers/raise-error-matcher
RSpec 1:
http://apidock.com/rspec/Spec/Matchers/raise_error
http://apidock.com/rspec/Spec/Matchers/raise_exception
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How to import existing *.sql files in PostgreSQL 8.4?
... But, I change the supplied SQL statements. Previously the existing *.sql didn't use any character ; as the termination of a line. And I also must remove the GO. Do you t hink the sql script is not a psql script?
– swdev
Feb 27 '12 at 7:02
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How to specify font attributes for all elements on an html web page?
...font family, font size, color etc. it seems that some nested elements override these with ugly browser defaults.
6 Answers
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django: BooleanField, how to set the default value to true?
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Thanks for form = MyForm(initial={'my_field':True}), I didn't find it straight away in the documentation.
– Paco
Aug 25 '14 at 12:11
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