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Count occurrences of a char in a string using Bash
...
you can for example remove all other chars and count the whats remains, like:
var="text,text,text,text"
res="${var//[^,]}"
echo "$res"
echo "${#res}"
will print
,,,
3
or
tr -dc ',' <<<"$var" | awk '{ print length; }'
or
tr -dc ',' &l...
How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
...for me in Visual Studio 2015 community. Not sure how this isn't very publically known, but this is nice. Thanks. :)
– The 0bserver
Mar 23 '17 at 14:50
3
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How to make tinymce paste in plain text by default
...ad the answer from @Paulo Neves
The problem is that Paste plugin automatically resets plain text paste on every paste. So all we need to do - set it back. The following code should help.
tinyMCE.init({
...
oninit : "setPlainText",
plugins : "paste"
....
});
The definition of setPlainText
fun...
What does LINQ return when the results are empty
I have a question about LINQ query. Normally a query returns a IEnumerable<T> type. If the return is empty, not sure if it is null or not. I am not sure if the following ToList() will throw an exception or just a empty List<string> if nothing found in IEnumerable result?
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Is there a faster/shorter way to initialize variables in a Rust struct?
...s one additional statement for each field to assign a value to the fields. All I want to be able to do is to assign default values when the struct is instantiated.
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Sum a list of numbers in Python
...does integer division: it discards the remainder. To divide things through all the way, we need to use floating-point numbers. Fortunately, dividing an int by a float will produce a float, so we just use 2.0 for our divisor instead of 2.
Thus:
averages = [(x + y) / 2.0 for (x, y) in zip(my_list[:-...
What's the difference between the various methods to get a Context?
...ion about contexts as well:
In a regular Android application, you
usually have two kinds of Context,
Activity and Application.
Reading the article a little bit further tells about the difference between the two and when you might want to consider using the application Context (Activity.get...
Error in plot.new() : figure margins too large in R
I'm new to R but I've made numerous correlation plots with smaller data sets. However, when I try to plot a large dataset (2gb+), I can produce the plot just fine, but the legend doesn't show up. Any advice? or alternatives?
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New to MongoDB Can not run command mongo
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After installing the MongoDB you should manually create a data folder.
By default MongoDB will store data in /data/db,
but it won't automatically create that directory. To create it, do:
$ sudo mkdir -p /data/db/
$ sudo chown `id -...
How to easily truncate an array with JavaScript?
Linq has a convenient operator method called Take() to return a given number of elements in anything that implements IEnumerable . Is there anything similar in jQuery for working with arrays?
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