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Preview an image before it is uploaded
...
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input type='file' id="imgInp" />
<img id="blah" src="#" alt="your image" />
</form>
...
How to run an EXE file in PowerShell with parameters with spaces and quotes
...her things in one array item each.
There are a lot of other options here: https://social.technet.microsoft.com/wiki/contents/articles/7703.powershell-running-executables.aspx
Microsoft should make this way simpler and compatible with command prompt syntax.
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Check if object exists in JavaScript
...t - is an object, the alert would be shown.
I have an example in my site.
https://sites.google.com/site/javaerrorsandsolutions/home/javascript-dynamic-checkboxes
How to read a text file into a string variable and strip newlines?
... to use with or close the file explicitly. Short is not always better. See https://stackoverflow.com/a/7396043/362951
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Spring Cache @Cacheable - not working while calling from another method of the same bean
...internal' calls within the same class will not get the cached value.
From https://code.google.com/p/ehcache-spring-annotations/wiki/UsingCacheable
Only external method calls coming in through the proxy are
intercepted. This means that self-invocation, in effect, a method
within the target o...
Why call git branch --unset-upstream to fixup?
...m.
after doing changes you can commit it and then
git remote add origin https://(address of your repo) it can be https or ssh
then
git push -u origin master
hope it works for you.
thanks
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Automatically enter SSH password with script
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Use public key authentication: https://help.ubuntu.com/community/SSH/OpenSSH/Keys
In the source host run this only once:
ssh-keygen -t rsa # ENTER to every field
ssh-copy-id myname@somehost
That's all, after that you'll be able to do ssh without passwo...
Firebase Storage How to store and Retrieve images [closed]
...ller images (under 10mb)
We have an example project that does that here: https://github.com/firebase/firepano
The general approach is to load the file locally (using FileReader) so you can then store it in Firebase just as you would any other data. Since images are binary files, you'll want to g...
Is there a download function in jsFiddle?
...ader -l jsfiddle.net/<user>/<fiddle-id>
jsfiddle-downloader -l https://jsfiddle.net/<fiddle-id>
jsfiddle-downloader -l https://jsfiddle.net/<user>/<fiddle-id>/show/ -o myfiddle.html
To download all scripts of a determinated 'user' from jsFiddle.net:
jsfiddle-download...
How do I assign a port mapping to an existing Docker container?
...s approach. You can also change the restart flag here.
P.S. You may visit https://docs.docker.com/engine/admin/ to learn how to correctly restart your docker engine as per your host machine. I used sudo systemctl restart docker to restart my docker engine that is running on Ubuntu 16.04
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