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How to get first character of string?
I have a string, and I need to get its first character.
16 Answers
16
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How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica
...d by OpenGapps.
Simply follow these steps:
Visit opengapps.org
Select x86 as platform
Choose the Android version corresponding to your virtual device
Select nano as variant
Download the zip file
Drag & Drop the zip installer in new Genymotion virtual device (2.7.2 and abo...
How to elegantly deal with timezones
... }
...
}
4 - Here we can get the list of timezone to show to user to select from a dropdownbox:
public class ListHelper
{
public IEnumerable<SelectListItem> GetTimeZoneList()
{
var list = from tz in TimeZoneInfo.GetSystemTimeZones()
select new SelectLi...
Is it possible to ping a server from Javascript?
... You need to ping the servers concurrently. You can achieve that with select, threads or processes. For really hardcore solution you could use Eventmachine.
– Epeli
Nov 26 '10 at 2:59
...
How to get all subsets of a set? (powerset)
... = [a for a in A]
ps = set()
for i in range(2 ** length):
selector = f'{i:0{length}b}'
subset = {l[j] for j, bit in enumerate(selector) if bit == '1'}
ps.add(frozenset(subset))
return ps
If you want exactly the output you posted in your answer use this:
>&...
What is the fastest way to send 100,000 HTTP requests in Python?
... Make sure you install the epoll reactor; otherwise you'll be using select/poll, and it will be very slow. Also, if you're going to actually try to have 100,000 connections open simultaneously (assuming your program is written that way, and the URLs are on different servers), you'll need to ...
Escape @ character in razor view engine
...ET MVC 3 site using Razor as view engine. The razor syntax starts with @ character e.g. @RenderBody() . If I write @test on my cshtml page it gives me parse error
...
How to disable scrolling temporarily?
...oll by dragging a file over the top/bottom of the page. This also works by selecting text on the page and doing the same dragover the top/bottom.
– Eliseo Soto
Apr 19 '16 at 18:58
...
How to use ArrayAdapter
... mAdapter.add("Item " + i);
}
// And if you want selection feedback:
list.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
//...
Hide files with certain extension in Sublime Text Editor?
...
Are you talking about the sidebar? For example, if you select File → Open and select a folder, then the folder and its contents are displayed along the left side, allowing you to navigate amongst its contents and sub-directories. If that is the case, then the answer is yes, fi...