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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...ctions, you don't need to create your own Server. You can simply write JavaScript functions and upload it to Firebase. Firebase will be responsible for triggering functions whenever an event occurs.
If you want to count upvotes for example, you should create a structure similar to this one:
{
"p...
Updating and committing only a file's permissions using git version control
...# git ls-tree HEAD
100644 blob 55c0287d4ef21f15b97eb1f107451b88b479bffe script.sh
As you can see the file has 644 permission (ignoring the 100). We would like to change it to 755:
# git update-index --chmod=+x script.sh
commit the changes
# git commit -m "Changing file permissions"
[master ...
How do I draw a grid onto a plot in Python?
...vas
win = Gtk.Window()
win.connect("delete-event", Gtk.main_quit)
win.set_title("Embedding in GTK3")
f = Figure(figsize=(1, 1), dpi=100)
ax = f.add_subplot(111)
ax.grid()
canvas = FigureCanvas(f)
canvas.set_size_request(400, 400)
win.add(canvas)
win.show_all()
Gtk.main()
...
Compiling dynamic HTML strings from database
...l
<!DOCTYPE html>
<html ng-app="app">
<head>
<script data-require="angular.js@1.0.7" data-semver="1.0.7" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.js"></script>
<script src="script.js"></script>
</head>
<bod...
How to download/checkout a project from Google Code in Windows?
..."myproject.googlecode.com/svn/trunk" as the URL, after the space is just a title and I feel this might be helpful for someone who comes into the same confusion
– zfb
Mar 23 '14 at 19:46
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Rails: Check output of path helper from console
... ASC LIMIT 1
=> "<a data-method=\"get\" href=\"/products/this-is-the-title\">test</a>"
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How do you remove the root CA certificate that fiddler installs
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Either of two ways:
1) Disable HTTPS decryption and click the button titled "Remove Interception Certificates"
2) Open CertMgr.msc, open the Personal and Trusted Stores, and use the Delete key on the root.
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JSP : JSTL's tag
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c:out escapes HTML characters so that you can avoid cross-site scripting.
if person.name = <script>alert("Yo")</script>
the script will be executed in the second case, but not when using c:out
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Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
... the trailing linebreak and it will print the same checksum as your python script:
> echo -n mystringforhash | md5sum
86b6423cb6d211734fc7d81bbc5e11d3 -
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Available text color classes in Bootstrap
I'm developing a sign up page, by putting some text as the title at the navigation bar. I want to give those texts different colors. For this purpose I'm using a separate CSS file, but I want to do this using bootstrap's CSS file.
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