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Using str_replace so that it only acts on the first match?
I want a version of str_replace() that only replaces the first occurrence of $search in the $subject . Is there an easy solution to this, or do I need a hacky solution?
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How to clear the interpreter console?
...lly keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc.
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Python - Check If Word Is In A String
...king with Python v2, and I'm trying to find out if you can tell if a word is in a string.
11 Answers
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What is the meaning of #XXX in code comments?
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XXX in a comment is usually a heads-up. It could be:
Something that's not implemented completely correctly.
Something that should be fixed later on.
Highlighting a possible problem spot.
Something you're not sure about, a question.
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How to check if a file is empty in Bash?
I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working.
10 Answe...
“Cross origin requests are only supported for HTTP.” error when loading a local file
...he model somewhere else and use jsonp and change the url to http://example.com/path/to/model
Origin is defined in RFC-6454 as
...they have the same
scheme, host, and port. (See Section 4 for full details.)
So even though your file originates from the same host (localhost), but as long as...
Scala best way of turning a Collection into a Map-by-key?
If I have a collection c of type T and there is a property p on T (of type P , say), what is the best way to do a map-by-extracting-key ?
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Need to understand the usage of SemaphoreSlim
... use the using statement which could make coding neater and safer.
http://www.tomdupont.net/2016/03/how-to-release-semaphore-with-using.html
I did swap _isDisposed=true and _semaphore.Release() around in its Dispose though in case it somehow got called multiple times.
Also it is important to not...
Publish to S3 using Git?
...kdir chef-recipes
cd chef-recipes
git init
touch README
git add README
git commit README
git remote add origin amazon-s3://.jgit@git-repos/chef-recipes.git
In the above I’m using the s3cmd command line tool to create the bucket but you can do it via the Amazon web interface as well. Now let’s ...
Determining type of an object in ruby
...dd he said "Data has Types not objects".
So we might enjoy this.
https://www.youtube.com/watch?v=1l3U1X3z0CE
But Ruby doesn't care to much about the type of object just the class.
We use classes not types. All data then has a class.
12345.class
'my string'.class
They may also have ancestors...