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Changing API level Android Studio
...radle(Project: yourproject).
An example of build.gradle:
apply plugin: 'com.android.application'
android {
compileSdkVersion 28
buildToolsVersion "28.0.2"
defaultConfig {
applicationId "com.stackoverflow.answer"
minSdkVersion 21
targetSdkVersion 28
ve...
Automatically enter SSH password with script
...-p "YOUR_PASSWORD" ssh -o StrictHostKeyChecking=no YOUR_USERNAME@SOME_SITE.COM
Custom port example:
sshpass -p "YOUR_PASSWORD" ssh -o StrictHostKeyChecking=no YOUR_USERNAME@SOME_SITE.COM:2400
Notes:
sshpass can also read a password from a file when the -f flag is passed.
Using -f prevents t...
Firebase Storage How to store and Retrieve images [closed]
...images and other non-JSON data to a dedicated storage service. We highly recommend that you use this for storing images, instead of storing them as base64 encoded data in the JSON database.
You certainly can! Depending on how big your images are, you have a couple options:
1. For smaller images (u...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...g." >&2
exit 1
fi
For all details, see the excellent BashFAQ: http://mywiki.wooledge.org/BashFAQ/045
If you want to take care of stale locks, fuser(1) comes in handy. The only downside here is that the operation takes about a second, so it isn't instant.
Here's a function I wrote onc...
What is the difference between a Docker image and a container?
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601
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Why exactly is eval evil?
...re is another take from Matthew Flatt, one of the implementers of Racket:
http://blog.racket-lang.org/2011/10/on-eval-in-dynamic-languages-generally.html
He makes many of the points
npm global path prefix
...utifully. It's neat that npm itself is a node program and is a bit of a JS command line proof-of-concept for me which I am beginning to appreciate now that I understand it a bit better.
– Steven Lu
Feb 12 '13 at 20:32
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What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
...ly: JSP/Servlet). JSF removes the need of all the boilerplate of gathering HTTP request parameters, converting/validating them, updating the model values, executing the right Java method to do the business stuff and generating the HTML/CSS/JS boilerplate code. With JSF you basically end up with a XH...
Converting Storyboard from iPhone to iPad
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61
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How can I check for an empty/undefined/null string in JavaScript?
...ng the === operator (so that you know that it is, in fact, a string you're comparing against).
if (strValue === "") {
//...
}
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