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Android: how to check if a View inside of ScrollView is visible?
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Where should i call this methods?
– Tooto
Mar 5 '14 at 6:24
3
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
Every time I have to iterate over a collection I end up checking for null, just before the iteration of the for-each loop starts. Like this:
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Why there is no ConcurrentHashSet against ConcurrentHashMap
...ays derive a set from a map. Since there are many types of maps, you use a method to produce a set from a given map (or map class).
Prior to Java 8, you produce a concurrent hash set backed by a concurrent hash map, by using Collections.newSetFromMap(map)
In Java 8 (pointed out by @Matt), you can ...
How to get start and end of day in Javascript?
How to get start ( 00:00:00 ) and end ( 23:59:59 ) of today in timestamp ( GMT )? Computer use a local time.
7 Answers
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JSHint and jQuery: '$' is not defined
... With my JSHint for Visual Studio, the option is called "assume jQuery"
– Jowen
May 7 '14 at 8:09
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Using multiple delimiters in awk
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I've tried this on 2 different distros and I get the same behavior: I want to get the port from netstat -ntpl "netstat -ntpl |sed 's/:/ /' |awk '{print $5}' " works but could do without doulbe piping This works but I was not expecting the data on field 17: "netstat -ntpl |awk -F...
Simple regular expression for a decimal with a precision of 2
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Valid regex tokens vary by implementation. A generic form is:
[0-9]+(\.[0-9][0-9]?)?
More compact:
\d+(\.\d{1,2})?
Both assume that both have at least one digit before and one after the decimal place.
To require that the whole string is a number of t...
Is there a better way to iterate over two lists, getting one element from each list for each iterati
... In Python 2.x you might consider itertools.izip instead (zip does the same thing in Python 3.x).
– Nicholas Riley
Dec 17 '09 at 2:08
2
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How can I strip first and last double quotes?
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How to use a keypress event in AngularJS?
...pt:
app.directive('myEnter', function () {
return function (scope, element, attrs) {
element.bind("keydown keypress", function (event) {
if(event.which === 13) {
scope.$apply(function (){
scope.$eval(attrs.myEnter);
});
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