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Multiple commands in an alias for bash
...sts comm; then
comm -3 "$1" "$2"
fi | less
}
A function is a new command that has internal logic. It isn't simply a rename of another command. It does internal operations.
Technically, aliases in the Bash shell language are so limited in capabilities that they are extremely ill suit...
nginx: send all requests to a single html page
.../ {
rewrite (.*) base.html last;
}
Using last will make nginx find a new suitable location block according to the result of rewriting.
try_files is also a perfectly valid approach to this problem.
share
|
...
Status bar won't disappear
...The code you posted works for iOS 6.1 and below. For iOS 7, Apple has made new methods available to directly control the status bar for each view. Turning off this option in your Info.plist will enable you to hide the status bar, at least for the current Developer Preview (4).
For reference, plea...
How to reference style attributes from a drawable?
...d your drawable to your theme.xml.
<style name="MyTheme" parent="@android:style/Theme.NoTitleBar">
<item name="my_drawable">@drawable/my_drawable</item>
</style>
Reference your drawable in your layout using your attribute.
<TextView android:background="?my_drawable"...
What does “abstract over” mean?
...es for List and any other thing we can fold.
implicit val listFoldable = new Foldable[List] {
def foldl[A, B](as: List[A], z: B, f: (B, A) => B) = as.foldLeft(z)(f)
}
val sumOfOneTwoThree = sumOf(List(1,2,3))
What's more, we can abstract over both the operation and the type of the operands...
Why covariance and contravariance do not support value type
...il). Here is a collection of strings:
IEnumerable<string> strings = new[] { "A", "B", "C" };
You can think of the strings as having the following representation:
[0] : string reference -> "A"
[1] : string reference -> "B"
[2] : string reference -> "C"
It is a collection of thre...
C++ sorting and keeping track of indexes
...n ascending order, but I also want to remember the original indexes of the new samples.
15 Answers
...
Perform debounce in React.js
...ges,
// but as the search function is debounced, it does not
// fire a new request on each keystroke
const searchResults = useAsync(
async () => {
if (inputText.length === 0) {
return [];
} else {
return debouncedSearchFunction(inputText);
}
},
...
Infinite scrolling with React JS
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f21238667%2finfinite-scrolling-with-react-js%23new-answer', 'question_page');
}
);
...
How do I enable TODO/FIXME/XXX task tags in Eclipse?
In all my years of using Eclipse, I never knew until now that TODO / FIXME / XXX comment tags are supposed to appear in the task list. Apparently this is something that is disabled by default because I have been using those tags for as long as I've been using Eclipse and I have never seen one of the...