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Check whether variable is number or string in JavaScript
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If you're dealing with literal notation, and not constructors, you can use typeof:.
typeof "Hello World"; // string
typeof 123; // number
If you're creating numbers and strings via a constructor, such as var foo =...
How to check version of python modules?
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I suggest using pip in place of easy_install. With pip, you can list all installed packages and their versions with
pip freeze
In most linux systems, you can pipe this to grep(or findstr on Windows) to find the row for the particular package you're in...
In PHP with PDO, how to check the final SQL parametrized query? [duplicate]
...ing MySQL database with PDO with parametrized query, how can you check the final query (after having replaced all tokens)?
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What's the best practice to “git clone” into an existing folder?
I have a working copy of the project, without any source control meta data. Now, I'd like to do the equivalent of git-clone into this folder, and keep my local changes.
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Error: No default engine was specified and no extension was provided
...de.js and engine. However, I keep running into issues that I have little information on how to resolve I would appreciate some help solving this please.
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Redirect Windows cmd stdout and stderr to a single file
I'm trying to redirect all output (stdout + stderr) of a DOS command to a single file:
7 Answers
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How can I share code between Node.js and the browser?
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If you want to write a module that can be used both client side and server side, I have a short blog post on a quick and easy method: Writing for Node.js and the browser, essentially the following (where this is the same as wi...
Getting A File's Mime Type In Java
I was just wondering how most people fetch a mime type from a file in Java? So far I've tried two utils: JMimeMagic & Mime-Util .
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Remove secure warnings (_CRT_SECURE_NO_WARNINGS) from projects by default in Visual Studio
Is there a way to set by default for all projects removing the precompiler secure warnings that come up when using functions like scanf(). I found that you can do it by adding a line in the project option or a #define _CRT_SECURE_NO_WARNINGS in the beginning of the code.
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Custom circle button
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Use xml drawable like this:
Save the following contents as round_button.xml in drawable folder
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="false">...
