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LINQ Contains Case Insensitive
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StartWith converts to LIKE 'hello%' ?
– Bart Calixto
Jun 30 '14 at 19:13
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Combine Date and Time columns using python pandas
...etime64[ns]
Note: surprisingly (for me), this works fine with NaNs being converted to NaT, but it is worth worrying that the conversion (perhaps using the raise argument).
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Reverse of JSON.stringify?
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I read the OP as saying "I converted a javascript object to a JSON string, and now I want to convert it back - how do I do it?" All the other answers say just use JSON.parse. I'm just warning that theres a lot of cases that will not handle correctly. I...
How to quickly open a file in Visual Studio 2012
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This would be perfect if it would clear the selection after opening the file. As it is, having to manually clear it with the mouse makes it nearly useless. :-( I want a sublime text style onebox open file/search symbol/goto line addin for VS.
– Ch...
What does enctype='multipart/form-data' mean?
...ary and this ensures that bitstream is not altered.
text/plain: Spaces get converted, but no more encoding is performed.
Security
When submitting forms, some security concerns can arise as stated in RFC 7578 Section 7: Multipart form data - Security considerations:
All form-processing softwar...
Read an Excel file directly from a R script
... into personally. Fields with numbers with comma's need to be stripped and converted to numeric in R. Fields with "-" need to be recoded to NA. Overall recommendation is to really look at your numbers in Excel and ensure that they are being translated correctly into R.
– Brando...
Select parent element of known element in Selenium
I have a certain element that I can select with Selenium 1.
7 Answers
7
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What breaking changes are introduced in C++11?
...can be one of
A sequence of chars has been accumulated in stage 2 that is converted (according to the rules of scanf) to a value of the type of val. This value is stored in val and ios_base::goodbit is stored in err.
The sequence of chars accumulated in stage 2 would have caused scanf to report an ...
Check if a Postgres JSON array contains a string
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As of PostgreSQL 9.4, you can use the ? operator:
select info->>'name' from rabbits where (info->'food')::jsonb ? 'carrots';
You can even index the ? query on the "food" key if you switch to the jsonb type instead:
alter table rabbits alter info type jsonb using ...
Checking if a SQL Server login already exists
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From here
If not Exists (select loginname from master.dbo.syslogins
where name = @loginName and dbname = 'PUBS')
Begin
Select @SqlStatement = 'CREATE LOGIN ' + QUOTENAME(@loginName) + '
FROM WINDOWS WITH DEFAULT_DATABASE=[PUBS], DEFAULT...