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Java: splitting a comma-separated string but ignoring commas in quotes
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11 Answers
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Is there a zip-like function that pads to longest length in Python?
...ertools.zip_longest
>>> list(itertools.zip_longest(a, b, c))
[('a1', 'b1', 'c1'), (None, 'b2', 'c2'), (None, 'b3', None)]
You can pad with a different value than None by using the fillvalue parameter:
>>> list(itertools.zip_longest(a, b, c, fillvalue='foo'))
[('a1', 'b1', 'c1')...
undefined reference to `WinMain@16'
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184
Consider the following Windows API-level program:
#define NOMINMAX
#include <windows.h>...
Intellij idea subversion checkout error: `Cannot run program “svn”`
I am using intellij idea 13.0. When I am trying to checkout from subversion I am getting error
13 Answers
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...line to your Post model, after specifying has_attached_file :image
Option 1: Validate content type
validates_attachment_content_type :image, :content_type => ["image/jpg", "image/jpeg", "image/png", "image/gif"]
-OR- another way
validates_attachment :image, content_type: { content_type: ["im...
How to serialize an Object into a list of URL query parameters?
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106
var str = "";
for (var key in obj) {
if (str != "") {
str += "&";
}
st...
Why does the C++ map type argument require an empty constructor when using []?
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165
This issue comes with operator[]. Quote from SGI documentation:
data_type& operator[...
Automatic creation date for Django model form objects?
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319
You can use the auto_now and auto_now_add options for updated_at and created_at respectively.
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