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What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
...hs). I've been playing around with neo4j, and my lookup times are several orders of magnitude faster when I need this kind of lookup.
Second, to the point that graph databases are outdated. Um...no. Early on, as people were trying to figure out how to store and lookup data efficiently, they crea...
Is it possible to data-bind visible to the negation (“!”) of a boolean ViewModel property?
...
In order to make the binding aware of changes to the property, I copied the visible binding handler and inverted it:
ko.bindingHandlers.hidden = {
update: function (element, valueAccessor) {
var value = ko.utils.unw...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...are variations on Bash Shell Expansions. Expansions happen in a particular order, and some have specific use cases.
Braces as Token Delimiters
The ${var} syntax is primarily used for delimiting ambiguous tokens. For example, consider the following:
$ var1=foo; var2=bar; var12=12
$ echo $var12
12
...
How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
...er to create code compatible with earlier Java versions.
For example, in order to generate class files compatible with Java 1.4, use the following command line:
javac -target 1.4 HelloWorld.java
With newer versions of the Java compiler you are likely to get a warning about the bootstrap class p...
Load view from an external xib file in storyboard
...ther than the original class. It doesn't actually have to be a subclass in order for this to work, but making it a subclass is what allows IB to see any IBInspectable/IBOutlet properties.
This extra boilerplate might seem suboptimal—and in a sense it is, because ideally UIStoryboard would handle ...
Difference between $(this) and event.target?
... })
})
</script>
Note that I use $ to wrap the dom element in order to create a jQuery object, which is how we always do.
You would find that for the first case, this ,event.currentTarget,event.target are all referenced to the same element.
While in the second case, when the event del...
How can I find the length of a number?
...
You have to make the number to string in order to take length
var num = 123;
alert((num + "").length);
or
alert(num.toString().length);
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How do I include a JavaScript file in another JavaScript file?
...u can load one or many scripts with a fetch call using promises to control order of execution for script dependencies using the Fetch Inject library:
fetchInject([
'https://cdn.jsdelivr.net/momentjs/2.17.1/moment.min.js'
]).then(() => {
console.log(`Finish in less than ${moment().endOf('year...
How to change theme for AlertDialog
... someone could help me out. I am trying to create a custom AlertDialog. In order to do this, I added the following line of code in styles.xml
...
How can I easily fixup a past commit?
...e file in a past commit in git but unfortunately the accepted solution 'reorders' the commits, which is not what I want. So here's my question:
...