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Is it better to use std::memcpy() or std::copy() in terms to performance?
...y.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the m...
Git - How to use .netrc file on Windows to save user and password
...to 'C:\Users\"username"'.
Go that that folder (cd %HOME%) and make a file called '_netrc'
Note: Again, for Windows, you need a '_netrc' file, not a '.netrc' file.
Its content is quite standard (Replace the <examples> with your values):
machine <hostname1>
login <login1>
password...
Making a WinForms TextBox behave like your browser's address bar
...
First of all, thanks for answers! 9 total answers. Thank you.
Bad news: all of the answers had some quirks or didn't work quite right (or at all). I've added a comment to each of your posts.
Good news: I've found a way to make it wo...
Check whether a path is valid in Python without creating a file at the path's target
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I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name.
The file-name has some unicode characters in it.
...
Xcode/Simulator: How to run older iOS version?
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As for weak linking, will this still install on an older device? I tried a while ago and came to the conclusion (as well as others) that if you want iAds, you need to be 4.0 minimum.
– ingh.am
Nov 23 '10 at 23:24
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How do I do a not equal in Django queryset filtering?
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Your query appears to have a double negative, you want to exclude all rows where x is not 5, so in other words you want to include all rows where x IS 5. I believe this will do the trick.
results = Model.objects.filter(x=5).exclude(a=true)
To answer your specific question, there is no "...
python pandas remove duplicate columns
...he given example, the returned value would be [False,False,True].
Pandas allows one to index using boolean values whereby it selects only the True values. Since we want to keep the unduplicated columns, we need the above boolean array to be flipped (ie [True, True, False] = ~[False,False,True])
F...
Configure Flask dev server to be visible across the network
...un on your machines IP address.
Documented on the Flask site under "Externally Visible Server" on the Quickstart page:
Externally Visible Server
If you run the server you will notice that the server is only
available from your own computer, not from any other in the network.
This is th...
Rename MySQL database [duplicate]
...atabase with the database name you wanted.
The short, quick steps without all the above explanation are:
mysqldump -u root -p original_database > original_database.sql
mysql -u root -p -e "create database my_new_database"
mysql -u root -p my_new_database < original_database.sql
mysql -u roo...
How do I execute inserts and updates in an Alembic upgrade script?
...s is useful for simple migrations.
Use the models and session as you normally would in your application.
"""create teams table
Revision ID: 169ad57156f0
Revises: 29b4c2bfce6d
Create Date: 2014-06-25 09:00:06.784170
"""
revision = '169ad57156f0'
down_revision = '29b4c2bfce6d'
from alembic imp...