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How to check if a Ruby object is a Boolean
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'Why would you ever what that?' (and derivatives) is just one of the most annoying questions an engineer can make another :)
– vemv
Mar 27 '14 at 14:20
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How do I find the MySQL my.cnf location
...f
Those are the default locations MySQL looks at. If it finds more than one, it will load each of them & values override each other (in the listed order, I think). Also, the --defaults-file parameter can override the whole thing, so... basically, it's a huge pain in the butt.
But thanks to ...
Setting Windows PowerShell environment variables
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Changing the actual environment variables can be done by
using the env: namespace / drive information. For example, this
code will update the path environment variable:
$env:Path = "SomeRandomPath"; (replaces existing path)
$env:Path += ";SomeRandomPath" ...
What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
Some Git commands take commit ranges and one valid syntax is to separate two commit names with two dots .. , and another syntax uses three dots ... .
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TCP: can two different sockets share a port?
...actually not what happens. If that were to be correct, we could only serve one user per foreign IP address. Once a remote computer connects, then he would hog the port 80 to port 80 connection, and no one else could connect.
Three things must be understood:
1.) On a server, a process is listening...
Is it possible to “await yield return DoSomethingAsync()”
...shed with the Task.WhenAll method. Notice how the code turns into a simple one-liner. What happens is that each individual url begins downloading and then WhenAll is used combine those operations into a single Task which can be awaited.
Task<IEnumerable<string>> DownLoadAllUrls(string[]...
Any way to properly pretty-print ordered dictionaries?
...g the OD it to a dict should avoid the issue of everything being placed on one line.
– martineau
Nov 29 '10 at 9:07
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How do I get the current time zone of MySQL?
Anyone knows if there is such a function in MySQL?
17 Answers
17
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Batch files - number of command line arguments
Just converting some shell scripts into batch files and there is one thing I can't seem to find...and that is a simple count of the number of command line arguments.
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How would I extract a single file (or changes to a file) from a git stash?
.... I really didn't get that, when you do a stash, git saves TWO commits -- one for the state of the index and one for the state of the working copy which is a merge between the index and the original HEAD. This explains the odd trees I've seen when I visualize the repository with "gitk --all" when ...