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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...n on multiple tables, I can join on multiple fields... however, I can not do it for both, as the example shows here. So say you just have a join on 1 field.. and you have a 2nd join following it. If you change the 1st join (or both) to just use new { x.field } equals new { y.field } there is a co...
Get week of year in JavaScript like in PHP
How do I get the current weeknumber of the year, like PHP's date('W') ?
19 Answers
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Pythonic way to combine FOR loop and IF statement
...in xyz if x not in a): works for me, but why you shouldn't just be able to do for x in xyz if x not in a:, I'm not sure...
– Matt Wenham
Sep 13 '18 at 10:20
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How can I clear scrollback buffer in Tmux?
...rl-k to the tmux clear-history command. The -n after bind makes it so you don't have to issue the tmux command prefix (ctrl-b by default). I use bash, so ctrl-l already does the equivalent of typing "clear" at the command line. With these two keys I get a nice ctrl-l, ctrl-k combo, which moves al...
How to add lines to end of file on Linux
... It depends on the last added line, not your current command. When you do the $ echo "foobar" >> file,the newline is already there. If you do $ echo -n "foobar" >> file, you won't append the newline to the end of the line, so you'll write in the same line.
– us...
Adding Core Data to existing iPhone project
... so the CoreData classes will be available throughout your Project, so you don't have to manually import the header in the files you need them.
So open up Xcode and look for some file like App_Prefix.pch, by default it's in the Other Sources group. After the UIKit import statement, add the followin...
What is a Context Free Grammar?
...ed by 0, and B can be replaced by 1. So to construct the string 010 we can do S -> BBB -> 0BB -> 01B -> 010.
A context-free grammar is simply a grammar where the thing that you're replacing (left of the arrow) is a single "non-terminal" symbol. A non-terminal symbol is any symbol you us...
How to export query result to csv in Oracle SQL Developer?
...lt to a text file (preferably CSV). Right clicking on the query results window doesn't give me any export options.
6 Answer...
How can I open the interactive matplotlib window in IPython notebook?
...pops up when you plot something in a terminal Python console). How could I do that? Preferably without leaving or restarting my notebook.
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How to bind inverse boolean properties in WPF?
What I have is an object that has an IsReadOnly property. If this property is true, I would like to set the IsEnabled property on a Button, ( for example ), to false.
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