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How do you list the primary key of a SQL Server table?
Simple question, how do you list the primary key of a table with T-SQL? I know how to get indexes on a table, but can't remember how to get the PK.
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Is git good with binary files?
...ary files to its index, and also store them in an efficient way unless you do frequent updates on large uncompressable files.
The problems begin when git needs to generate diffs and merges: git cannot generate meaningful diffs, or merge binary files in any way that could make sense. So all merges, ...
How do I expand the output display to see more columns of a pandas DataFrame?
...ds
This is not necessary, pandas autodetects the size of your terminal window if you set pd.options.display.width = 0. (For older versions see at bottom.)
pandas.set_printoptions(...) is deprecated. Instead, use pandas.set_option(optname, val), or equivalently pd.options.<opt.hierarchical.name&...
How do I run a batch script from within a batch script?
How do I call another batch script from within a batch script?
8 Answers
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How do I render a partial of a different format in Rails?
... e.g. rendering a HTML template from inside a format.pdf block can only be done with render "template", formats: [:html], content_type: "text/html". I need this because I allow direct download of samples of my books only for members of my email list — regular visitors get a signup form instead.
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Printing without newline (print 'a',) prints a space, how to remove?
...works).
>>> print 'a' * 20
aaaaaaaaaaaaaaaaaaaa
If you want to do this in general, build up a string and then print it once. This will consume a bit of memory for the string, but only make a single call to print. Note that string concatenation using += is now linear in the size of the st...
How to check if a variable is an integer in JavaScript?
How do I check if a variable is an integer in JavaScript, and throw an alert if it isn't? I tried this, but it doesn't work:
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Async/Await vs Threads
...n it completely replace the old way of using Threads ?
No. A thread can do many more useful things. Await is specifically designed to deal with something taking time, most typically an I/O request. Which traditionally was done with a callback when the I/O request was complete. Writing code tha...
Media query to detect if device is touchscreen
...ake something happen when not on a touchscreen device? If there is no way, do you suggest using a JavaScript solution such as !window.Touch or Modernizr?
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How to check if a file contains a specific string using Bash
...file contains a specific string or not in bash. I used this script, but it doesn't work:
11 Answers
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