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How do I pronounce “=>” as used in lambda expressions in .Net
...For example,
Func f = x => x * 2;
Func test = c => c.City == "London";
reads as "x becomes x * 2" and "c for which c.City equals London"
As far as 'goes to' - that's never made sense to me. 'p' isn't going anywhere.
In the case of reading code to someone, say, over the phone, then as ...
Simpler way to create dictionary of separate variables?
I would like to be able to get the name of a variable as a string but I don't know if Python has that much introspection capabilities. Something like:
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libpng warning: iCCP: known incorrect sRGB profile
I'm trying to load a PNG image using SDL but the program doesn't work and this error appears in the console
13 Answers
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How do I trim leading/trailing whitespace in a standard way?
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Sorry, the first answer isn't good at all unless you don't care about memory leaks. You now have two overlapping strings (the original, which has it's trailing spaces trimmed, and the new one). Only the original string can be freed, but if you do, the second one points to fre...
Key existence check in HashMap
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Do you ever store a null value? If not, you can just do:
Foo value = map.get(key);
if (value != null) {
...
} else {
// No such key
}
Otherwise, you could just check for existence if you get a null value returned:
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How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
How do I drop all tables in Windows MySQL, using command prompt? The reason I want to do this is that our user has access to the database drops, but no access to re-creating the database itself, for this reason we must drop the tables manually. Is there a way to drop all the tables at once? Bear in ...
Best practice to call ConfigureAwait for all server-side code
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Update: ASP.NET Core does not have a SynchronizationContext. If you are on ASP.NET Core, it does not matter whether you use ConfigureAwait(false) or not.
For ASP.NET "Full" or "Classic" or whatever, the rest of this answer still applies.
Origin...
Exclude .svn directories from grep [duplicate]
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On the Windows version of GNU Grep, I had to use --exclude-dir=\.svn
– Rocket Hazmat
Sep 28 '10 at 16:00
18
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How do I find the MySQL my.cnf location
...want to see the values: SHOW VARIABLES, but you'll need the permissions to do so.)
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What is monkey patching?
...e.
For instance, consider a class that has a method get_data. This method does an external lookup (on a database or web API, for example), and various other methods in the class call it. However, in a unit test, you don't want to depend on the external data source - so you dynamically replace the g...