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Why are regular expressions so controversial? [closed]
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I don't think people object to regular expressions because they're slow, but rather because they're hard to read and write, as well as tricky to get right. While there are some situations where regular expressions provide an ef...
Get the Row(s) which have the max count in groups using groupby
How do I find all rows in a pandas dataframe which have the max value for count column, after grouping by ['Sp','Mt'] columns?
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SQL Server equivalent to Oracle's CREATE OR REPLACE VIEW
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The solutions above though they will get the job done do so at the risk of dropping user permissions. I prefer to do my create or replace views or stored procedures as follows.
IF NOT EXISTS (SELECT * FROM sys.views WHERE object_id = OBJECT_ID(N'[dbo].[vw_myView]'))
EX...
Disable hover effects on mobile browsers
...s (different background color, etc.) With a tablet, there's no mouse, so I don't want any hover effects.
17 Answers
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Copying a HashMap in Java
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Maybe i'm not understanding this but I don't need a copy of the map. I need a copy of the class that holds the map. ? There for myObjectListB has to be a class derived from MyojbectsList not a hashmap.
– user691305
Apr 10 '12...
create multiple tag docker image
How can several tags be attached to one Docker image? Is it possible to create multiple tags using one Dockerfile ?
3 Answ...
How to delete/create databases in Neo4j?
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Perhaps it's a good idea to stop your neo4j server before doing this command.
– John Bachir
Mar 13 '15 at 16:57
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show 6 mo...
Pointer vs. Reference
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My rule of thumb is:
Use pointers if you want to do pointer arithmetic with them (e.g. incrementing the pointer address to step through an array) or if you ever have to pass a NULL-pointer.
Use references otherwise.
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Android Quick Actions UI Pattern
...roid UI pattern called "Quick Action". Basically, it's a context menu that doesn't cover up the data that is being acted on. I'd like to implement this but I cannot find some sample code or an API to help me out.
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Can't use Swift classes inside Objective-C
...y app.My app is written in Objective-C and I added a Swift class. I've done everything described here . But my problem is that Xcode haven't created the -Swift.h file, only the bridging headers. So I created it, but it's actually empty.
I can use all my ObjC classes in Swift, but I can't do...