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MySQL load NULL values from CSV data
...is will do what you want. It reads the fourth field into a local variable, and then sets the actual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY ","
LINES TERMINATED BY "\n"
(one, two, three, ...
Determine the number of lines within a text file
...m all into an array like ReadAllLines. So now you can have both efficiency and conciseness with:
var lineCount = File.ReadLines(@"C:\file.txt").Count();
Original Answer
If you're not too bothered about efficiency, you can simply write:
var lineCount = File.ReadAllLines(@"C:\file.txt").Length;...
How do I have an enum bound combobox with custom string formatting for enum values?
...much hassle.
Look into the TypeConverter's ConvertFrom/ConvertTo methods, and use reflection to read attributes on your enum fields.
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Functions that return a function
...onfused by the d()(); at first but then realized that the first () calls d and the second () calls d's return value, which is e.
– skud
Mar 13 '14 at 18:47
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Code Wrap IntelliJ?
...doesn't have a shortcut by default, but you can assign one in the keymap.
AndroidStudio >= 1.4.1: the options are under File > Settings > Editor > General - under the Soft Wraps sub-group.
You can also right click the gutter (the vertical bar where line number is shown) and select "Use...
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
So I'm working on an exceedingly large codebase, and recently upgraded to gcc 4.3, which now triggers this warning:
24 Answ...
Python append() vs. + operator on lists, why do these give different results?
...ethod however does literally what you ask: append the object on the right-hand side that you give it (the array or any other object), instead of taking its elements.
An alternative
Use extend() if you want to use a function that acts similar to the + operator (as others have shown here as well). It'...
Static Indexers?
... indexers disallowed in C#? I see no reason why they should not be allowed and furthermore they could be very useful.
7 Ans...
git-upload-pack: command not found, when cloning remote Git repo
..., try this:
ssh you@remotemachine echo \$PATH
(That works in Bash, Zsh, and tcsh, and probably other shells too.)
If the path it gives back doesn't include the directory that has git-upload-pack, you need to fix it by setting it in .bashrc (for Bash), .zshenv (for Zsh), .cshrc (for tcsh) or equi...
Preferred Github workflow for updating a pull request after code review
I've submitted a change to an Open Source project on Github, and received code review comments from one of the core team members.
...