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I want to get the type of a variable at runtime
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Delete sql rows where IDs do not have a match from another table
...
@Pacerier - NOT IN (NULL) returns an empty result set so NULLs need to be excluded. But an id column probably won't be nullable anyway hence "unlikely to be needed"
– Martin Smith
Apr 10 '15 at 16:40
...
SQL Server: Make all UPPER case to Proper Case/Title Case
...erCase(@Text as varchar(8000))
returns varchar(8000)
as
begin
declare @Reset bit;
declare @Ret varchar(8000);
declare @i int;
declare @c char(1);
if @Text is null
return null;
select @Reset = 1, @i = 1, @Ret = '';
while (@i <= len(@Text))
select @c = substring(@Text, @i, ...
Pandas index column title or name
...
You can just get/set the index via its name property
In [7]: df.index.name
Out[7]: 'Index Title'
In [8]: df.index.name = 'foo'
In [9]: df.index.name
Out[9]: 'foo'
In [10]: df
Out[10]:
Column 1
foo
Apples 1...
What's the best way to iterate over two or more containers simultaneously
C++11 provides multiple ways to iterate over containers. For example:
10 Answers
10
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How to use unicode characters in Windows command line?
...I already said: To input/output Unicode in a console, one does not need to set the codepage.
The details
To read/write Unicode to a console, an application (or its C runtime library) should be smart enough to use not File-I/O API, but Console-I/O API. (For an example, see how Python does it.)
L...
Make: how to continue after a command fails?
...ally ignore errors on a single line, you can simply suffix it with ; true, setting the return value to 0. For example:
rm .lambda .lambda_t .activity .activity_t_lambda 2>/dev/null; true
This will redirect stderr output to null, and follow the command with true (which always returns 0, causin...
Android - Pulling SQlite database android device
... dst.close();
}
}
} catch (Exception e) {
}
Don't forget to set the permission to write on SD in your manifest, like below.
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
...
Can Python test the membership of multiple values in a list?
...ent kinds of inputs. As Kabie points out, you can solve this problem using sets...
>>> set(['a', 'b']).issubset(set(['a', 'b', 'foo', 'bar']))
True
>>> {'a', 'b'} <= {'a', 'b', 'foo', 'bar'}
True
...sometimes:
>>> {'a', ['b']} <= {'a', ['b'], 'foo', 'bar'}
Traceb...
MySQL/Amazon RDS error: “you do not have SUPER privileges…”
... http://getasysadmin.com/2011/06/amazon-rds-super-privileges/, you need to set log_bin_trust_function_creators to 1 in AWS console, to load your dump file without errors.
If you want to ignore these errors, and load the rest of the dump file, you can use the -f option:
mysql -f my_database -u my_u...