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Bootstrap dropdown sub menu missing
...otstrap/pull/6342
But, with a little extra CSS you can get the same functionality.
Bootstrap 4 (navbar submenu on hover)
.navbar-nav li:hover > ul.dropdown-menu {
display: block;
}
.dropdown-submenu {
position:relative;
}
.dropdown-submenu>.dropdown-menu {
top:0;
left:100%;...
Skip rows during csv import pandas
...an try yourself:
>>> import pandas as pd
>>> from StringIO import StringIO
>>> s = """1, 2
... 3, 4
... 5, 6"""
>>> pd.read_csv(StringIO(s), skiprows=[1], header=None)
0 1
0 1 2
1 5 6
>>> pd.read_csv(StringIO(s), skiprows=1, header=None)
0 1
...
error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
... had the same problem and after doing a bit of research, here is my conclusion about this issue:
The compiler warns you about a @property that you declared as atomic (i.e. by omitting the nonatomic keyword), yet you provide an incomplete implementation of how to synchronize access to that property....
How to check if a file is a valid image file?
...
A lot of times the first couple chars will be a magic number for various file formats. You could check for this in addition to your exception checking above.
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Two versions of python on linux. how to make 2.7 the default
I've got two versions of python on my linuxbox:
6 Answers
6
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test a file upload using rspec - rails
...dited Apr 10 '15 at 18:21
Mauricio Gracia Gutierrez
7,41444 gold badges4949 silver badges7474 bronze badges
answered Nov 28 '11 at 13:16
...
Timeout for python requests.get entire response
...
Thank you. I now understand your solution's technical superiority (which you stated rather succinctly at the beginning of your answer) and upvoted it. The issue with third-party modules is not importing them but ensuring they are there to be imported, hence my ow...
Using NSPredicate to filter an NSArray based on NSDictionary keys
I have an array of dictionaries.
6 Answers
6
...
Purpose of Trigraph sequences in C++?
...
This question (about the closely related digraphs) has the answer.
It boils down to the fact that the ISO 646 character set doesn't have all the characters of the C syntax, so there are some systems with keyboards and displays that ca...
What is a StoryBoard ID and how can i use this?
i'm new to IOS developing and recently started in Xcode 4.5. I saw for every viewController that i could set some identity variables including the storyboard ID. What is this and how can i use it?
...