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What are the differences between “=” and “
...ng otherwise. Even the R documentation of ?assignOps claims that there are more differences:
The operator <- can be used anywhere,
whereas the operator = is only allowed at the top level (e.g.,
in the complete expression typed at the command prompt) or as one
of the subexpressions in a ...
What goes into your .gitignore if you're using CocoaPods?
...cy so the Pods themselves can be generated from the podfile, ergo they are more like an intermediate build product than a source and, hence, don't need version control in my project.
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How do I find all of the symlinks in a directory tree?
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How can I find non-ASCII characters in MySQL?
...i and non-ascii characters. The answer below from zende checks for one or more non-ascii characters. This helped me for the most part SELECT * FROM tbl WHERE colname NOT REGEXP '^[A-Za-z0-9\.,@&\(\) \-]*$';
– Frank Forte
Oct 16 '15 at 21:00
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How to send an object from one Android Activity to another using Intents?
...objects around then Parcelable was designed for this. It requires a little more effort to use than using Java's native serialization, but it's way faster (and I mean way, WAY faster).
From the docs, a simple example for how to implement is:
// simple class that just has one member property as an e...
How do I concatenate two lists in Python?
... it does change list3. However, if that isn't a problem, it's simpler more readable to add the two lists instead of creating a new one.
– rickcnagy
Feb 20 '14 at 18:55
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Check if a Bash array contains a value
...over array elements and concatenates them into a string, it's probably not more efficient than the looping solutions proposed, but it's more readable.
if [[ " ${array[@]} " =~ " ${value} " ]]; then
# whatever you want to do when array contains value
fi
if [[ ! " ${array[@]} " =~ " ${value} " ]...
What is the difference between .*? and .* regular expressions?
...g anything but a greater-than sign (strictly speaking, it matches zero or more characters other than > in-between < and >).
See Quantifier Cheat Sheet.
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How to determine if a decimal/double is an integer?
...s-calculations. Since the question is about double values, below will be a more floating-point calculation proof answer:
Math.Abs(d % 1) <= (Double.Epsilon * 100)
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What is the 'dynamic' type in C# 4.0 used for?
...; // Again, the DLR works its magic
string bar = foo.ToString("c");
Read more feature : http://www.codeproject.com/KB/cs/CSharp4Features.aspx
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