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Why is reading lines from stdin much slower in C++ than Python?
...s to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(false);
Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically r...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
...
Whats the pros/cons to using .rspec or spec_helper.rb? @shamaoke @christoph
– Ian Vaughan
May 21 '13 at 10:31
2
...
Get user info via Google API
...scope - https://www.googleapis.com/auth/userinfo.profile
return youraccess_token = access_token
get https://www.googleapis.com/oauth2/v1/userinfo?alt=json&access_token=youraccess_token
you will get json:
{
"id": "xx",
"name": "xx",
"given_name": "xx",
"family_name": "xx",
"link": "xx",...
Python 3.x rounding behavior
...l.Decimal('3.5').quantize(decimal.Decimal('1'),
rounding=decimal.ROUND_HALF_UP)
>>> Decimal('4')
>>> decimal.Decimal('2.5').quantize(decimal.Decimal('1'),
rounding=decimal.ROUND_HALF_EVEN)
>>> Decimal('2')
>>> decimal.Decimal('3.5').quantize(decimal...
How would I run an async Task method synchronously?
...nizationContext.SetSynchronizationContext(synch);
synch.Post(async _ =>
{
try
{
await task();
}
catch (Exception e)
{
synch.InnerException = e;
throw;
}
...
How to limit the amount of concurrent async I/O operations?
...hecker
{
private const int ThreadCount=20;
private CountdownEvent _countdownEvent;
private SemaphoreSlim _throttler;
public Task Check(IList<string> urls)
{
_countdownEvent = new CountdownEvent(urls.Count);
_throttler = new SemaphoreSlim(ThreadCount);
...
ng-model for `` (with directive DEMO)
...ng it the Angular way and not the plain JS way?
– AFP_555
Mar 21 '17 at 0:40
...
How to export data as CSV format from SQL Server using sqlcmd?
...low commas inside the data? Do we have to surround every column with '""'+ ___ +'""'?
– Ahmed
Apr 1 '15 at 0:41
2
...
Understanding NSRunLoop
.../Conceptual/Multithreading/RunLoopManagement/RunLoopManagement.html#//apple_ref/doc/uid/10000057i-CH16-SW1
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Python: Get relative path from comparing two absolute paths
.... if one of the paths is a common ancestor:
paths = […, …, …]
common_prefix = os.path.commonprefix(list_of_paths)
if common_prefix in paths:
…
You can then find the relative paths:
relative_paths = [os.path.relpath(path, common_prefix) for path in paths]
You can even handle more th...