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In C# check that filename is *possibly* valid (not that it exists) [duplicate]
...s not valid
} else {
// file name is valid... May check for existence by calling fi.Exists.
}
For creating a FileInfo instance the file does not need to exist.
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Getting the class name of an instance?
... Why use __class__ over the type method? Like so: type(x).__name__. Isn't calling double underscore members directly discouraged? I can't see a way around using __name__, though.
– jpmc26
Mar 7 '13 at 20:41
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Differences between git remote update and fetch?
...rep --color=always -R -C30 fetch Documentation/RelNotes/* | less
Then I did a less search for --all, and this is what I found under the release notes for Git version 1.6.6:
git fetch learned --all and --multiple options, to run fetch from many repositories, and --prune option to remove remote ...
Is there a CSS parent selector?
... so the others will not works either because of Uncaught TypeError: Cannot call method 'split' of undefined: see jsfiddle.net/HerrSerker/VkVPs
– yunzen
Apr 16 '13 at 15:33
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.NET: Simplest way to send POST with data and read response
... Note that, when possible, you should not use .Result with Async calls - use await to ensure your UI thread will not block. Also, a simple new[] will work as well as the List; Dictionary may clean up the code, but will reduce some HTTP functionality.
– Matt DeKrey
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How to retrieve all keys (or values) from a std::map and put them into a vector?
...ur fellow programmers. Additionally, it moves functionality away from the call site. Which can make maintenance a little more difficult.
I'm not sure if your goal is to get the keys into a vector or print them to cout so I'm doing both. You may try something like this:
std::map<int, int> m;...
how do I initialize a float to its max/min value?
... ret.second = *begin;
}
return ret;
}
The disadvantage of providing sample code -- I see others have already suggested the same idea.
Note that while the standard has a min_element and max_element, using these would require scanning through the data twice, which could be a problem if t...
How to execute a Python script from the Django shell?
...ting creazy on celery because i was not able to exec tasks onto management.call_command :D :D :D
– user10000033
Jan 18 '19 at 23:20
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How do I read CSV data into a record array in NumPy?
...normal array, the dtype=None parameter needs to be added to the genfromtxt call:
Given an input file, myfile.csv:
1.0, 2, 3
4, 5.5, 6
import numpy as np
np.genfromtxt('myfile.csv',delimiter=',')
gives an array:
array([[ 1. , 2. , 3. ],
[ 4. , 5.5, 6. ]])
and
np.genfromtxt('myfil...
How to install python modules without root access?
...
In most situations the best solution is to rely on the so-called "user site" location (see the PEP for details) by running:
pip install --user package_name
Below is a more "manual" way from my original answer, you do not need to read it if the above solution works for you.
Wit...