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Environment variable substitution in sed
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Your two examples look identical, which makes problems hard to diagnose. Potential problems:
You may need double quotes, as in sed 's/xxx/'"$PWD"'/'
$PWD may contain a slash, in which case you need to find a character not contained in $PWD to use as a delimiter.
To nail both issu...
how to read value from string.xml in android?
...tring(R.string.hello);
You can use either getString(int) or getText(int) to retrieve a string. getText(int) will retain any rich text styling applied to the string.
Reference: https://developer.android.com/guide/topics/resources/string-resource.html
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npm windows install globally results in npm ERR! extraneous
I am new to grunt and npm. So I am trying some "cookbook-example" on the site ' http://tech.pro/tutorial/1190/package-managers-an-introductory-guide-for-the-uninitiated-front-end-developer#front_end_developers '.
You should not have to look there now, but I thought it could be good to share the site...
Count how many files in directory PHP
I'm working on a slightly new project. I wanted to know how many files are in a certain directory.
15 Answers
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Preserve colouring after piping grep to grep
... after grep’ing but it annoys me that if you pipe colored grep output into another grep that the coloring is not preserved.
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How do I set up a basic Ruby project?
I want to create a small Ruby project with 10 ~ 20 classes/files. I need some gems and I want to use RSpec as test framework.
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What does jQuery.fn mean?
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In jQuery, the fn property is just an alias to the prototype property.
The jQuery identifier (or $) is just a constructor function, and all instances created with it, inherit from the constructor's prototype.
A simple constructor function:
function Test() {
this.a...
Converting String To Float in C#
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Your thread's locale is set to one in which the decimal mark is "," instead of ".".
Try using this:
float.Parse("41.00027357629127", CultureInfo.InvariantCulture.NumberFormat);
Note, however, that a float cannot hold that many digits of precision. Y...
How to get first record in each group using Linq
...ment in list
group element by element.F1
into groups
select groups.OrderBy(p => p.F2).First();
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Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
... void foo(void) ?
With void it looks ugly and inconsistent, but I've been told that it is good. Is this true?
6 Answers
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