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Batch files - number of command line arguments
...Googling a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do Set /A argC+=1
echo %argC%
Seems like cmd.exe has evolved a bit from the old DOS days :)
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impro...
count number of lines in terminal output
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It should be noted that this trick of piping to wc will work for any output, not just grep output. For example, it can be combined with a git diff.
– Jason L.
Aug 15 '18 at 18:44
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Is “double hashing” a password less secure than just hashing it once?
Is hashing a password twice before storage any more or less secure than just hashing it once?
16 Answers
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In SQL Server, when should you use GO and when should you use semi-colon ;?
I’ve always been confused with when I should use the GO keyword after commands and whether a semi-colon is required at the end of commands. What is the differences and why/when I should use them?
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How to keep environment variables when using sudo
When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo . However if I type sudo wget it says it can't bypass the proxy setting.
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Error during SSL Handshake with remote server
...running Apache 2.4.6, and I had to add the following directives to get it working:
SSLProxyEngine on
SSLProxyVerify none
SSLProxyCheckPeerCN off
SSLProxyCheckPeerName off
SSLProxyCheckPeerExpire off
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
...o access the value (but it can still be nil).
This is basically the behavior we already had in objective-c. A value can be nil, and you have to check for it, but you can also just access the value directly as if it wasn't an optional (with the important difference that if you don't check for nil yo...
Can bash show a function's definition?
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@sjsupersumit The question explicitly asks for a Bash solution.
– bfontaine
Sep 5 '18 at 8:59
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How to solve Permission denied (publickey) error when using Git?
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If the user has not generated a ssh public/private key pair set before
This info is working on theChaw but can be applied to all other git repositories which support SSH pubkey authentications. (See gitolite, gitlab or github for example.)
First start by setting up your own public/priva...
How do I go straight to template, in Django's urls.py?
...eric views but register with the django 2.0+ pattern.
from django.urls import path
from django.views.generic import TemplateView
urlpatterns = [
path('foo/', TemplateView.as_view(template_name='foo.html'))
]
https://docs.djangoproject.com/en/2.0/ref/class-based-views/base/#templateview
Djan...