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Delete duplicate rows from small table
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This approach doesn't account for triggers, indexes, and statistics. Certainly you could add them, but it adds a lot more work too.
– Jordan
Dec 14 '15 at 18:16
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How to compare two floating point numbers in Bash?
...thon. You have perl installed by default on many Linux/Unix systems.. even php also
– anubhava
Jul 19 '17 at 15:44
1
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How to extract text from a PDF? [closed]
...ve have working examples for many languages including: Java, .NET, Python, PHP, Ruby, and others.
I hope it helps.
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What is Python used for? [closed]
...s not specialised to a specific target of users (like R for statistics, or PHP for web programming). It is extended through modules and libraries, that hook very easily into the C programming language.
Python enforces correct indentation of the code by making the indentation part of the syntax. Ther...
Change column type from string to float in Pandas
...trying to be set on a copy of a slice from a DataFrame. Try using .loc[row_index,col_indexer] = value instead. This may have been introduced in a newer version of pandas and I don't see anything wrong as a result, but I just wonder what this warning is all about. Any idea?
– or...
How to remove a directory from git repository?
...ory" links to the FAQ on this subject:
Currently the design of the git index
(staging area) only permits files to
be listed, and nobody competent enough
to make the change to allow empty
directories has cared enough about
this situation to remedy it.
Directories are added automati...
Split views.py in several files
...rl(r'^calendar/(?P<year>\d\d\d\d)/$', 'myproject.calendar.views.year.index')
url(r'^calendar/(?P<year>\d\d\d\d)/(?P<user>[a-z]+)/$', 'myproject.calendar.views.year.user')
This is, of course, assuming that you had views/year.py containing the functions index and user ;)
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Java: Instanceof and Generics
Before I look through my generic data structure for a value's index, I'd like to see if it is even an instance of the type this has been parametrized to.
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SQL: How to properly check if a record exists
... the Star operator will force the DBMS to access the clustered index instead of just the index(es) that will be needed for your join condition. so it's better to use a constant valua as result, i.e. select top 1 1 .... That will return 1 or DB-Null, depending on the condition is a match ...
How can I convert a zero-terminated byte array to string?
...suming your input doesn't have a null character embedded in it.
n := bytes.Index(byteArray, []byte{0})
Or as icza pointed out, you can use the code below:
n := bytes.IndexByte(byteArray, 0)
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