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p vs puts in Ruby
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Kinda feel like this leaves me with a rabbit hole of questions. Whats inspect? Whats to_s? Why do I want to inspect printed text instead of a variable? Which is more standard for the world of programming, due to your mention of debugging, p or puts? Should all "p" be replaced with "...
How can I quickly sum all numbers in a file?
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For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -nle '$sum += $_ } END { print $sum'
The result is a more...
Use PHP to create, edit and delete crontab jobs?
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crontab [-u user] [ -e | -l | -r ]
(default operation is replace, per 1003.2)
-e (edit user's crontab)
-l (list user's crontab)
-r (delete user's crontab)
-i (prompt before deleting user's crontab)
So,
$output = shell_ex...
Is there a WebSocket client implemented for Python? [closed]
...ample client code:
#!/usr/bin/python
from websocket import create_connection
ws = create_connection("ws://localhost:8080/websocket")
print "Sending 'Hello, World'..."
ws.send("Hello, World")
print "Sent"
print "Receiving..."
result = ws.recv()
print "Received '%s'" % result
ws.close()
Sample se...
How do I set the default locale in the JVM?
...o set the default Locale for my JVM to fr_CA . What are the possible options to do this?
7 Answers
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How do I join two paths in C#?
...ed Jun 7 '09 at 11:04
Jose BasilioJose Basilio
47k1111 gold badges113113 silver badges116116 bronze badges
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How can I trigger a Bootstrap modal programmatically?
...e modal pop up you have to do this
$('#myModal').modal('show');
You previously need to initialize it with show: false so it won't show until you manually do it.
$('#myModal').modal({ show: false})
Where myModal is the id of the modal container.
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Is it possible to make an HTML anchor tag not clickable/linkable using CSS?
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I can confirm this works on Ubuntu version of Firefox/Chrome. Wondering if it's going to work on IE on Windows though.
– JohnMerlino
Jul 14 '14 at 5:08
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Difference between File.separator and slash in paths
...n five minutes of searching, to find the "you can always use a slash" behavior documented. Now, I'm sure I've seen it documented, but in the absense of finding an official reference (because my memory isn't perfect), I'd stick with using File.separator because you know that will work.
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Determine font color based on background color
...for instance) that lets a user customize the background color for some section but not the font color (to keep number of options to a minimum), is there a way to programmatically determine if a "light" or "dark" font color is necessary?
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