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Merge branch with trunk
...ge the branch into the working copy (SVN Merge)
Make sure everything still compiles and works
Commit the working copy (the trunk)
Consider killing the branch
In a team environment I would suggest that you first merge the latest modifications from the trunk in your branch, make sure that everything...
Chrome Dev Tools - “Size” vs “Content”
...s (larger "size" than "content")
Redirects or authentication requests
gzip compression (smaller "size" than "content", usually)
From the docs:
Size is the combined size of the response headers (usually a few
hundred bytes) plus the response body, as delivered by the server.
Content is the ...
How to use PHP OPCache?
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Installation
OpCache is compiled by default on PHP5.5+. However it is disabled by default. In order to start using OpCache in PHP5.5+ you will first have to enable it. To do this you would have to do the following.
Add the following line to your ph...
Why does one hot encoding improve machine learning performance?
...it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance increase happen?
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Check if SQL Connection is Open or Closed
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How to add/update an attribute to an HTML element using JavaScript?
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“unadd” a file to svn before commit
I was in the middle of doing a recursive svn add/commit, and a folder which did not have the proper ignore properties was included. I've got about 100 uploaded binary files versioned now, but I haven't committed yet.
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git diff renamed file
...h the difference between HEAD^^ and HEAD is that you have an a.txt in both commits, so just considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git diff -C HEAD^^ HEAD
Result:
index ce01362..dd7e1c6 100644
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Can't escape the backslash with regex?
...pe sequences to avoid having to use as many - for instance, in Python:
re.compile(r'\\')
The r in front of the quotes makes it a raw string which doesn't parse backslash escapes.
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Why does Convert.ToString(null) return a different value if you cast null?
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There are 2 overloads of ToString that come into play here
Convert.ToString(object o);
Convert.ToString(string s);
The C# compiler essentially tries to pick the most specific overload which will work with the input. A null value is convertible to any reference...