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How can I count occurrences with groupBy?
...to do the counting:
import java.util.*;
import java.util.stream.*;
class Test {
public static void main(String[] args) {
List<String> list = new ArrayList<>();
list.add("Hello");
list.add("Hello");
list.add("World");
Map<String, Long>...
How do I keep CSS floats in one line?
...
This may work with divs, but I just tested it with ul/li and it doesn't work :(
– AsGoodAsItGets
Aug 28 '14 at 14:59
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Concatenating multiple text files into a single file in Bash
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Got an upvote from me because it allows for arbitrary testing/ operations by file name prior to output and it's quick and easy and good for practice. (In my case I wanted: for i in *; do echo -e "\n$i:\n"; cat $1; done )
– Nathan Chappell
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iOS Simulator failed to install the application
...very often. Need to make a shortcut key. I have a few screens and need to test with 6.0, 6.1, 7.0. When I am going to 6.1 and from there better to reset
– user529543
Oct 11 '13 at 17:22
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How to access custom attributes from event object in React?
...m wrong but aren't all javascript functions inherently variadic? I haven't tested this, but I would assume the "event object" is still being passed. It's just NOT at the same parameter index it previously was. Binding in the fashion as outlined above is like unshifting the function arguments array. ...
How do I convert NSMutableArray to NSArray?
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@durazno It is not wrong. Double check your test. If [mutableArray copy] is returning an empty array, then mutableArray must have been an empty array. My answer only applies when mutableArray is nil.
– Richard Venable
Jul 22 '16 a...
CSS /JS to prevent dragging of ghost image?
... revise my answer for simplicity. The new one-liner should work fine; just tested in FF, Safari, Chrome, IE8/10.
– Beejor
Dec 3 '16 at 2:39
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CSS: background image on background color
...lly interesting problem, haven't seen it yet. this code works fine for me. tested it in chrome and IE9
<html>
<head>
<style>
body{
background-image: url('img.jpg');
background-color: #6DB3F2;
}
</style>
</head>
<body>
</body>
</html>
...
Change Oracle port from port 8080
...T(8181); as SYS/SYSTEM. Replace 8181 with the port you'd like changing to. Tested this with Oracle 10g.
Source : http://hodentekhelp.blogspot.com/2008/08/my-oracle-10g-xe-is-on-port-8080-can-i.html
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MySQL select where column is not empty
...nce you're not comparing the output of a function on a field to anything.
Test cases:
SELECT if(NULL > '','true','false');-- false
SELECT if('' > '','true','false');-- false
SELECT if(' ' > '','true','false');-- false
SELECT if('\n' > '','true','false');-- false
SELECT if('\t' > '',...