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Regular expression for floating point numbers
I have a task to match floating point numbers. I have written the following regular expression for it:
12 Answers
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JSON parsing using Gson for Java
I would like to parse data from JSON which is of type String .
I am using Google Gson .
11 Answers
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Clear form fields with jQuery
I want to clear all input and textarea fields in a form. It works like the following when using an input button with the reset class:
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Is there a Python equivalent of the C# null-coalescing operator?
...alescing operator (written as ?? ) that allows for easy (short) null checking during assignment:
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...) environment. I can use the standard conda install... command to put packages from the distribution into my environments, but to use anything outside (i.e. Flask-WTF, flask-sqlalchemy, and alembic) I need to use pip install in the active environment. However, when I look at the contents of the ...
How to determine if a string is a number with C++?
I've had quite a bit of trouble trying to write a function that checks if a string is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working s...
Declaring variables inside a switch statement [duplicate]
...an enclose the contents of a case in { } braces to introduce a scoping block, or you can move the variable declaration outside the switch. Which you choose is a matter of personal preference. Just be aware that a variable declared in { } braces is only valid within that scope, so any other code that...
How to convert int[] to Integer[] in Java?
...ream( data ).boxed().collect( Collectors.toList() );
List<Integer> like = IntStream.of( data ).boxed().collect( Collectors.toList() );
As others stated, Integer[] is usually not a good map key.
But as far as conversion goes, we now have a relatively clean and native code.
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How to urlencode data for curl command?
I am trying to write a bash script for testing that takes a parameter and sends it through curl to web site. I need to url encode the value to make sure that special characters are processed properly. What is the best way to do this?
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Debug a java application without starting the JVM with debug arguments
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You may be able to use jsadebugd (JDK) to attach a debug server to the process (available on Windows with the Debugging Tools for Windows). It is marked as experimental, so you may want to try it out on a test machine first.
Usage:
jsadebugd <pid>
jdb -...