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How to check if a file exists in Documents folder?
I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
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How to tell if browser/tab is active [duplicate]
...page is in the foreground, i.e. the user hasn't minimized the browser or switched to another tab. It serves no purpose if the user isn't looking at it and is potentially CPU-intensive, so I don't want to just waste cycles in the background.
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How do you comment out code in PowerShell?
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In PowerShell V1 there's only # to make the text after it a comment.
# This is a comment in Powershell
In PowerShell V2 <# #> can be used for block comments and more specifically for help comments.
#REQUIRES -Version 2.0
<#
.SYNOPSIS
A brief description of the f...
Semicolon before self-invoking function? [duplicate]
What is the benefit of using semicolon before a self-invoking function in JavaScript? I saw this approach in few popular jQuery plugins and I'm curious to find if this is the next awesome thing in JavaScript that I don't know.
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When to use @QueryParam vs @PathParam
...a strict standard I'd recommend checking some REST APIs out there such as github and stackoverflow and see what could work well for your use case.
I'd recommend putting any required parameters in the path, and any optional parameters should certainly be query string parameters. Putting optional pa...
Find the closest ancestor element that has a specific class
...follow
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edited Jul 2 '17 at 11:42
answered Nov 20 '14 at 10:43
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Read a text file using Node.js?
I need to pass in a text file in the terminal and then read the data from it, how can I do this?
5 Answers
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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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http HEAD vs GET performance
... server, you might not see a measurable gain by using HEAD instead of GET. It could be that retrieving the meta data is not any faster than retrieving the entire resource.
You could implement both options and benchmark them to see which is faster, but rather than micro-optimize, I would focus on de...
Maven 3 warnings about build.plugins.plugin.version
...actId>maven-compiler-plugin</artifactId>
Add the version tag to it:
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
The warning should be resolved.
Regarding this:
'build.plugins.plugin.version' for
org.apache.ma...