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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
...a transaction secure though? It seems it could be easily hacked to artificially increase counts. This could be bad for voting systems.
– Soviut
Apr 7 '14 at 6:10
16
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How to create a video from images with FFmpeg?
...pix_fmt yuv420p out.ogg
Your images should of course be sorted alphabetically, typically as:
0001-first-thing.jpg
0002-second-thing.jpg
0003-and-third.jpg
and so on.
I would also first ensure that all images to be used have the same aspect ratio, possibly by cropping them with imagemagick or n...
In WPF, what are the differences between the x:Name and Name attributes?
The title says it all. Sometimes it seems that the Name and x:Name attributes are interchangeable.
15 Answers
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How to document Python code with doxygen [closed]
...on is bad. Comments are for a module maintainer (why and how implemented). All documentation should be in docstrings (how to use).
– jfs
Sep 13 '08 at 21:20
4
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Building a fat jar using maven
...;
<execution>
<id>assemble-all</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution...
Discard Git Stash Pop
I did a git stash pop and now I have a ton of conflicts. I had committed all my recent code before the git stash pop , so is there a way to go back to the last commit and get rid of all the conflicts and code the git stash pop injected?
...
When to use cla(), clf() or close() for clearing a plot in matplotlib?
...
They all do different things, since matplotlib uses a hierarchical order in which a figure window contains a figure which may consist of many axes. Additionally, there are functions from the pyplot interface and there are methods ...
What are some resources for getting started in operating system development? [closed]
...grams expect an OS so you'll need to tell your compiler that it won't have all that, or the bootloader has to create some of it.
The kernel then does all the heavy lifting, and I suspect it's the example kernel you want. But there's a long way to go between having a kernel that says, "Hello world"...
What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...ove
Marking a reference field with CascadeType.REMOVE (or CascadeType.ALL,
which includes REMOVE) indicates that remove operations should be
cascaded automatically to entity objects that are referenced by that
field (multiple entity objects can be referenced by a collection
field):
@En...
How to style input and submit button with CSS?
...t;
use
<button type='submit'>
Button was introduced specifically bearing CSS styling in mind. You can now add the gradient background image to it or style it using CSS3 gradients.
Read more on HTML5 forms structure here
http://www.w3.org/TR/2011/WD-html5-20110525/forms.html
Ch...