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How to Generate unique file names in C#
...e:
public string GenerateFileName(string context)
{
return context + "_" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + "_" + Guid.NewGuid().ToString("N");
}
filename1 = GenerateFileName("MeasurementData");
filename2 = GenerateFileName("Image");
This way, when I sort by filename, it will aut...
What is the difference between tree depth and height?
... about to add quote with same content from here: en.wikipedia.org/wiki/Tree_%28data_structure%29
– Péter Török
Apr 8 '10 at 21:53
2
...
Python Create unix timestamp five minutes in the future
...imestamp() method to get the timestamp as a float.
import datetime
current_time = datetime.datetime.now(datetime.timezone.utc)
unix_timestamp = current_time.timestamp() # works if Python >= 3.3
unix_timestamp_plus_5_min = unix_timestamp + (5 * 60) # 5 min * 60 seconds
...
Should I commit or rollback a read transaction?
...lete the temp table. I'm really just reading data, and I don't care what happens to the temp table, since it's temporary... but from a performance perspective, would it be more expensive to rollback the transaction or commit it? What's the effect of a commit/rollback when nothing but temp tables a...
Significance of -pthread flag when compiling
... with %{pthread:.
On my computer, this causes files to be compiled with -D_REENTRANT, and linked with -lpthread. On other platforms, this could differ. Use -pthread for most portability.
Using _REENTRANT, on GNU libc, changes the way some libc headers work. As a specific example, it makes errno ca...
How do I make a fully statically linked .exe with Visual Studio Express 2005?
...RT explicitly." Recently I ran into this issue. I was building a wxWidgets app, I found I needed to rebuild the wxWidgets libs with the same code generation modification
– Bill Forster
Nov 12 '08 at 2:55
...
Android Studio vs Eclipse + ADT Plugin? [closed]
...u can build multiple apks for testing from a single project unlike eclipse approach. Visual layout editor is far better than eclipse.
– Sree Rama
Apr 16 '15 at 7:29
...
Select2 doesn't work when embedded in a bootstrap modal
...orceFocus = function() {};
Bootstrap 4 renamed the enforceFocus method to _enforceFocus, so you'll need to patch that instead:
$.fn.modal.Constructor.prototype._enforceFocus = function() {};
Explanation copied from link above:
Bootstrap registers a listener to the focusin event which checks wheth...
GitHub Error Message - Permission denied (publickey)
...
The upvote of using HTTPS instead of SSL is a bit disappointing. SSH is far more convenient. The suggestion from @MaximeBernard above solved the issue for me: GIT was not looking at the right place for the .ssh directory. Using ssh -vT git@github.com provides a lot of informati...
List of Big-O for PHP functions
... though and either via benchmark or code-skimming to characterize the array_* functions. I've tried to put the more interesting Big-O near the top. This list is not complete.
Note: All the Big-O where calculated assuming a hash lookup is O(1) even though it's really O(n). The coefficient of the n i...