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How do I parse an ISO 8601-formatted date?
...6Z') # RFC 3339 format
datetime.datetime(2008, 9, 3, 20, 56, 35, 450686, tzinfo=tzutc())
>>> dateutil.parser.isoparse('2008-09-03T20:56:35.450686') # ISO 8601 extended format
datetime.datetime(2008, 9, 3, 20, 56, 35, 450686)
>>> dateutil.parser.isoparse('20080903T205635.450686') # ...
Where could I buy a valid SSL certificate? [closed]
...u say you are, and the issuer has verified that to be true.
You can get a free SSL certificate signed, for example, by StartSSL. This is an improvement on self-signed certificates, because your end-users would stop getting warning pop-ups informing them of a suspicious certificate on your end. Howe...
Difference between binary semaphore and mutex
...ey - occupy the toilet - at
the time. When finished, the person
gives (frees) the key to the next
person in the queue.
Officially: "Mutexes are typically
used to serialise access to a section
of re-entrant code that cannot be
executed concurrently by more than one
thread. A mutex...
How do I obtain a Query Execution Plan in SQL Server?
... I interpret a query execution plan?
This is a topic worthy enough for a (free) book in its own right.
See also:
Execution Plan Basics
SHOWPLAN Permission and Transact-SQL Batches
SQL Server 2008 – Using Query Hashes and Query Plan Hashes
Analyzing the SQL Server Plan Cache
...
What does “./bin/www” do in Express 4.x?
...via the Node.js file. The Node.js file is ./bin/www in this case. For more info, visit the official documentation.
Neither the bin directory nor the extensionless www file is mandatory for creating an Express app or starting the app. They are just suggestions made by the generator, so feel free to ...
How can you find the height of text on an HTML canvas?
...th
var w = ctx.measureText(message).width;
// New function gets the other info we need
var h = getTextHeight(font);
testLine(ctx, x, y, w, 'red');
testLine(ctx, x, y + h.ascent, w, 'green');
testLine(ctx, x, y + h.height, w, 'blue');
...
How do you tell if caps lock is on using JavaScript?
...ent browsers.
The getModifierState function will provide the state for:
Alt
AltGraph
CapsLock
Control
Fn (Android)
Meta
NumLock
OS (Windows & Linux)
ScrollLock
Shift
This demo works in all major browsers including mobile (caniuse).
passwordField.addEventListener( 'keydown', function( event...
R memory management / cannot allocate vector of size n Mb
...y limitations:
before opening R, open the Windows Resource Monitor (Ctrl-Alt-Delete / Start Task Manager / Performance tab / click on bottom button 'Resource Monitor' / Memory tab)
you will see how much RAM memory us already used before you open R, and by which applications. In my case, 1.6 GB of ...
Using IPython notebooks under version control
...ltering for a specific git repository, simply create inside it a file .git/info/attributes, with
**.ipynb filter=
as content. Clearly, in the same way it is possible to do the opposite: enable the filtering only for a specific repository.
the code is now maintained in its own git repo
if the...
How do you clear the SQL Server transaction log?
...ivity, what did you gain? Were you able to make use of that disk space you freed up only temporarily? If you need an immediate fix, then you can run the following:
USE yourdb;
GO
CHECKPOINT;
GO
CHECKPOINT; -- run twice to ensure file wrap-around
GO
DBCC SHRINKFILE(yourdb_log, 200); -- unit is set i...