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Defining an array of anonymous objects in CoffeeScript
...h the last item ! See my example below..
– Dean Radcliffe
Oct 11 '13 at 19:41
1
@DeanRadcliffe It...
How can I convert a PFX certificate file for use with Apache on a linux server?
How can I convert a PFX certificate file for use with Apache on a linux server?
5 Answers
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Is it safe to parse a /proc/ file?
... on what property you want. But it's easy to end up with bugs in your code if you assume too much about the consistency of a file in /proc. For example, see this bug which came from assuming that /proc/mounts was a consistent snapshot.
For example:
/proc/uptime is totally atomic, as someone menti...
How to delete last character from a string using jQuery?
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To clarify things up (as this post might be useful mostly for beginners) : .slice() will return the result. So one should use : var result = "1234".slice(0,-1);
– MMB
Jul 24 '18 at 17:17
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Can I have multiple primary keys in a single table?
... In this example, BOTH userid and userdataid are needed to identify/find a unique row. Not sure what the OP's intention was, but I came here looking to see if I could uniquely identify a row with one of a set of keys. For instance, I would like to identify a unique user with either a user...
How do you read a file into a list in Python? [duplicate]
...ith ends, the file will be closed automatically for you. This is true even if an exception is raised inside of it.
2. use of list comprehension
This could be considered inefficient as the file descriptor might not be closed immediately. Could be a potential issue when this is called inside a funct...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...that uses a lockfile and echoes a PID into it. This serves as a protection if the process is killed before removing the pidfile:
LOCKFILE=/tmp/lock.txt
if [ -e ${LOCKFILE} ] && kill -0 `cat ${LOCKFILE}`; then
echo "already running"
exit
fi
# make sure the lockfile is removed when w...
Can “this” ever be null in Java?
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No it can't. If you're using this, then you're in the instance so this isn't null.
The JLS says :
When used as a primary expression, the keyword this denotes a value that is a reference to the object for which the instance method wa...
How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
I have a .diff file created by a coworker, and would like to apply the changes listed in that diff file to my local branch of the exact same repository. I do not have access to that worker's pc or branch that was used to generate this diff file.
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How do I set the maximum line length in PyCharm?
...an 79 characters on a screen. Don’t limit lines of code to 79 characters if it means the code looks significantly uglier or is harder to read.
– JChris
Apr 6 '16 at 17:42
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