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How to return dictionary keys as a list in Python?
...keys()).
This will convert the dict_keys object to a list.
On the other hand, you should ask yourself whether or not it matters. The Pythonic way to code is to assume duck typing (if it looks like a duck and it quacks like a duck, it's a duck). The dict_keys object will act like a list for most pu...
Markdown to create pages and table of contents?
...xample for more than one word. All words are broken down to no caps lock, and no spaces.
– Rick
Jul 9 '16 at 17:46
6
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String literals and escape characters in postgresql
...s such:
insert into EscapeTest (text) values (E'This is the first part \n And this is the second');
This suppressed the warning, but the text was still not being returned correctly. When I added the additional slash as Michael suggested, it worked.
As such:
insert into EscapeTest (text) values ...
UITableView set to static cells. Is it possible to hide some of the cells programmatically?
...a] directly)
This doesn't use the hacky solution with setting height to 0 and allows you to animate the change and hide whole sections
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PostgreSQL LIKE query performance variations
...text indexes is not for the LIKE operator at all, it has its own operators and doesn't work for arbitrary strings. It operates on words based on dictionaries and stemming. It does support prefix matching for words, but not with the LIKE operator:
Get partial match from GIN indexed TSVECTOR column
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Java - sending HTTP parameters via POST method easily
...;param2=b&param3=c";
byte[] postData = urlParameters.getBytes( StandardCharsets.UTF_8 );
int postDataLength = postData.length;
String request = "http://example.com/index.php";
URL url = new URL( request );
HttpURLConnection conn= (HttpURLConnection) url.openConnecti...
Why rename synthesized properties in iOS with leading underscores? [duplicate]
...t at the instance variable. But the point is, _qux is an instance variable and self.qux (or [self qux]) is the message qux sent to object self.
We use the instance variable directly in -dealloc; using the accessor method instead would look like this (though I don't recommend it, for reasons I'll ex...
Fast way to get image dimensions (not filesize)
I'm looking for a fast way to get the height and width of an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obv...
SET NAMES utf8 in MySQL?
...g by default from client connections (many are, depending on your location and platform.)
Read http://www.joelonsoftware.com/articles/Unicode.html in case you aren't aware how Unicode works.
Read Whether to use "SET NAMES" to see SET NAMES alternatives and what exactly is it about.
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Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
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Updated
For MS SQL Server 2012 and above
USE [master];
DECLARE @kill varchar(8000) = '';
SELECT @kill = @kill + 'kill ' + CONVERT(varchar(5), session_id) + ';'
FROM sys.dm_exec_sessions
WHERE database_id = db_id('MyDB')
EXEC(@kill);
For MS SQL Se...