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Store a closure as a variable in Swift
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The compiler complains on
var completionHandler: (Float)->Void = {}
because the right-hand side is not a closure of the appropriate signature, i.e. a closure taking
a float argument. The following would assign a "do nothing" closure to the
completion handler:
var completionHandler:...
Find out if ListView is scrolled to the bottom?
...tion stuff.
yourListView.setOnScrollListener(this);
// ... ... ...
@Override
public void onScroll(AbsListView lw, final int firstVisibleItem,
final int visibleItemCount, final int totalItemCount)
{
switch(lw.getId())
{
case R.id.your_list_id:
// Make you...
MongoDB: How to update multiple documents with a single command?
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didn't worked db.userActivity.find({ 'appId' : 1234, 'status' : 1}).update({ $set: { 'status': 1 } }); 2017-06-05T17:47:10.038+0530 E QUERY [thread1] TypeError: db.userActivity.find(...).update is not a function :
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Format numbers in django templates
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@PawelRoman To avoid the loading of a bunch of filters and tags rarely used (and so make the template rendering faster)
– Maxime Lorant
May 18 '14 at 12:43
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Get source jar files attached to Eclipse for Maven-managed dependencies
...downloadJavadocs=true This only works if the source and javadocs were provided to the repo you're downloading from. Sometimes they aren't provided like Spring.
– Spencer Kormos
Dec 8 '08 at 21:16
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Is there any connection string parser in C#?
...nnectionStringBuilder class.
The DbConnectionStringBuilder class
provides the base class from which the
strongly typed connection string
builders (SqlConnectionStringBuilder,
OleDbConnectionStringBuilder, and so
on) derive. The connection string
builders let developers
programmatic...
Given the lat/long coordinates, how can we find out the city/country?
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The free Google Geocoding API provides this service via a HTTP REST API. Note, the API is usage and rate limited, but you can pay for unlimited access.
Try this link to see an example of the output (this is in json, output is also available in XML)
https://...
Create a date from day month and year with T-SQL
I am trying to convert a date with individual parts such as 12, 1, 2007 into a datetime in SQL Server 2005. I have tried the following:
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How do I use LINQ Contains(string[]) instead of Contains(string)
...g> from string[] first. Actually a List<int> would be better if uid is also int. List<T> supports Contains(). Doing uid.ToString().Contains(string[]) would imply that the uid as a string contains all of the values of the array as a substring??? Even if you did write the extension...
How can I convert a DOM element to a jQuery element?
... take not only a string selector, but an existing jquery object, or any valid dom object as an argument to the main $() query function.
– Samuel Meacham
Nov 16 '09 at 20:54
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