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To switch from vertical split to horizontal split fast in Vim
...g list says (re-formatted for better readability):
To change two vertically split
windows to horizonally split
Ctrl-w t Ctrl-w K
Horizontally to vertically:
Ctrl-w t Ctrl-w H
Explanations:
Ctrl-w t makes the first (topleft) window current
Ctrl-w K moves th...
How do I edit an existing tag message in git?
...ag
> awk '{
> if ($1 == "Date:") {
> print substr($0, index($0,$3))
> }
> }' | # extract all the dates from the info
> tail -2 | head -1)" `# get the second t...
Hidden features of Scala
...
Case classes automatically mixin the Product trait, providing untyped, indexed access to the fields without any reflection:
case class Person(name: String, age: Int)
val p = Person("Aaron", 28)
val name = p.productElement(0) // name = "Aaron": Any
val age = p.productElement(1) // age = 28: Any...
Compare two Byte Arrays? (Java)
... firstLength != secondLength ) {
return false;
}
for( int index = 0; index < firstLength; ++index ) {
if( first[firstOffset+index] != second[secondOffset+index]) {
return false;
}
}
return true;
}
...
How to get all options of a select using jQuery?
...
$('#id option').map((index, option) => option.value) : note how the callback signature is reversed compared to the "vanilla" JS map function ((item, index) =>)
– imrok
Nov 19 '19 at 8:08
...
When to use MongoDB or other document oriented database systems? [closed]
... can retrieve data from only one collection and take advantage of only one index. And MongoDb is probably one of the most flexible NoSQL databases. In many scenarios, this means more round-trips to the server to find related records. And then you start de-normalizing data - which means background jo...
Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
... (using a fetched property is a convenient way to do this) or add an extra index attribute to the entity that stores the array items and manage the indexes yourself. If you are storing a homogeneous array (all entries are the same type), it's easy to model the entity description for the array entiti...
Is there an equivalent to background-size: cover and contain for image elements?
...top: 50%;
transform: translateX(-50%) translateY(-50%) scale(0.1);
z-index: -1;
}
<div class="img-container">
<img class="background-image" src="https://picsum.photos/1024/768/?random">
<p style="padding: 20px; color: white; text-shadow: 0 0 10px black">
Lorem ip...
When does a process get SIGABRT (signal 6)?
...
In my case, it was due to an input in an array at an index equal to the length of the array.
string x[5];
for(int i=1; i<=5; i++){
cin>>x[i];
}
x[5] is being accessed which is not present.
...
Tri-state Check box in HTML?
...ment, I found a better solution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate state can...