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How to check if a line is blank using regex
...\n|\n|\r))|^\s*$/gm
All I did is add ^ as second character to signify the start of line.
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Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
... however would hardly be Linux without the thousands of shell scripts that startup the system, respond to events, control execution priorities and compile, configure and run programs. Many of these are quite large and complex.
Shells provide an infrastructure that lets us use pre-built components t...
Why is Go so slow (compared to Java)?
... entirely (e.g. predicting virtual call destinations in JIT-compiled Java) starts to get tricky.
FWIW, my own very trivial test with Go when I was taking a look at it (a loop of integer addition, basically), gccgo produced code towards the fast end of the range between gcc -O0 and gcc -O2 for equiv...
Why use getters and setters/accessors?
...ne app where it's never been needed. That said, if it's needed once, it'd start causing a maintenance nightmare. Good enough for a checkmark for me.
– Dean J
Oct 14 '09 at 18:24
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Android Calling JavaScript functions in WebView
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Starting with KitKat there is the evaluateJavascript method, check stackoverflow.com/a/32163655/3063226
– Heitor
Jul 29 '16 at 7:16
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Is D a credible alternative to Java and C++? [closed]
...ere 2 standard libraries to choose from at the time (Tango and Phobos). We started with one, switched to the other, and really needed a mixture of features from both (Tangobos!). This caused headaches and some code re-write.
Bindings to other tools not available. In the end we had to switch to Direc...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
...se.)
Consider the following machine, which recognizes the string "hi".
(Start) --Read h-->(A)--Read i-->(Succeed)
\ \
\ -- read any other value-->(Fail)
-- read any other value-->(Fail)
This is a simple machine to recognize a regular langu...
Get Substring between two characters using javascript
...one know how I would do this for every occurence of a substring between my starting and ending string?
– MarksCode
Feb 26 '16 at 5:11
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使用 XML 和 Web 服务 · App Inventor 2 中文网
...eb component to retrieve the Fahrenheit temperature in San Francisco. We start by getting the complete weather for San Francisco, by doing an HTTP Get with the URL:
http://api.wunderground.com/api/YOUR KEY/conditions/q/CA/San_Francisco.xml
You’ll need to replace the string YOUR KEY by an actua...
Press alt + numeric in bash and you get (arg [numeric]) what is that?
...nd will act in a backward direction. For example, to kill text back to the start of the line, you might type 'M-- C-k'.
The general way to pass numeric arguments to a command is to type meta digits before the command. If the first 'digit' typed is a minus sign ('-'), then the sign of the argument wi...