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How to add dividers and spaces between items in RecyclerView?
...reviously in the ListView class, using the divider and dividerHeight parameters:
41 Answers
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When should one use a spinlock instead of mutex?
... are doing the same job,how do you decide which one to use for synchronization?
6 Answers
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How to run Unix shell script from Java code?
.../bin/bash or sh to execute the script within depending on Java's configuration (see stackoverflow.com/questions/25647806/…)
– Ben Holland
Feb 27 '18 at 3:00
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Hide keyboard when scroll UITableView
... and most answer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard).
...
What is the best way to uninstall gems from a rails3 project?
...ependencies
EDIT - 24.12.2014
I see that people keep coming to this question I decided to add a little something.
The answer I gave was for the case when you maintain your gems global. Consider using a gem manager such as rbenv or rvm to keep sets of gems scoped to specific projects.
This means t...
Usages of Null / Nothing / Unit in Scala
I've just read: http://oldfashionedsoftware.com/2008/08/20/a-post-about-nothing/
8 Answers
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Making interface implementations async
I’m currently trying to make my application using some Async methods.
All my IO is done through explicit implementations of an interface and I am a bit confused about how to make the operations async.
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An example of how to use getopts in bash
...nded value. You can hack around this if you absolutely know that an option parameter cannot look like another valid option, yes, but one could say there's a reason optional arguments are not defined in POSIX.
– Adrian Frühwirth
Mar 13 '15 at 9:40
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What is the parameter “next” used for in Express?
...el with an async findOne():
function loadUser(req, res, next) {
if (req.params.userId) {
Users.findOne({ id: req.params.userId }, function(err, user) {
if (err) {
next(new Error("Couldn't find user: " + err));
return;
}
req.user = user;
next();
});...
Why can't you modify the data returned by a Mongoose Query (ex: findById)
...ance, you can call lean() on the query chain like so:
Survey.findById(req.params.id).lean().exec(function(err, data){
var len = data.survey_questions.length;
var counter = 0;
_.each(data.survey_questions, function(sq){
Question.findById(sq.question, function(err, q){
...