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Can you split a stream into two streams?
...ou think it is ... stream.boxed().collect(...);! It will do as advertised: convert the primitive IntStream to the boxed Stream<Integer> version.
– YoYo
May 8 '15 at 3:57
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...cate_database exception (which is issued when database already exists) and converts it into notice with propagating errcode. String message has appended , skipping in the same way how it does CREATE SCHEMA IF NOT EXISTS.
CREATE EXTENSION IF NOT EXISTS dblink;
DO $$
BEGIN
PERFORM dblink_exec('', 'C...
URL encoding the space character: + or %20?
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And the URLEncoder.encode() method in Java converts it in + as well.
– рüффп
Oct 24 '14 at 12:48
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Why does parseInt yield NaN with Array#map?
...seInt: it doesn't parse the string and returns NaN if the number cannot be converted. For instance:
console.log(parseInt("19asdf"));
console.log(Number("19asf"));
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Importing a GitHub project into Eclipse
...lso had to right-click on project > Properties > Project Facets > Convert to faceted form
– xtian
Sep 29 '15 at 9:49
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MySQL CONCAT returns NULL if any field contain NULL
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convert the NULL values with empty string by wrapping it in COALESCE
SELECT CONCAT(COALESCE(`affiliate_name`,''),'-',COALESCE(`model`,''),'-',COALESCE(`ip`,''),'-',COALESCE(`os_type`,''),'-',COALESCE(`os_version`,'')) AS dev...
How do you make a WPF slider snap only to discrete integer positions?
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The simple answer is that you take advantage of the IsSnapToTickEnabled and TickFrequency properties. That is, turn snapping to ticks on and set the tick frequency to 1.
Or, in other words ... take advantage of ticks ... but you don't necessarily have to show the ticks that you are snapping to.
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Why is no one using make for Java?
... then a rule to resolve that dependency.
With basic C, that typically "to convert a main.c file to a main.o file, run "cc main.c".
You can do that in java, but you quickly learn something.
Mostly that the javac compiler is slow to start up.
The difference between:
javac Main.java
javac This.jav...
Remote branch is not showing up in “git branch -r”
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This is very usefull if you have converted a shallow clone to an unshallow.
– Warpzit
Oct 3 '16 at 13:29
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Navigation in django
...done my first little webapp in django and I love it. I'm about to start on converting an old production PHP site into django and as part its template, there is a navigation bar.
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