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How do you cast a List of supertypes to a List of subtypes?
For example, lets say you have two classes:
17 Answers
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List comprehension vs. lambda + filter
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It is strange how much beauty varies for different people. I find the list comprehension much clearer than filter+lambda, but use whichever you find easier.
There are two things that may slow down your use of filter.
The first is the function call overhead: as ...
When is TCP option SO_LINGER (0) required?
I think I understand the formal meaning of the option. In some legacy code I'm handling now, the option is used. The customer complains about RST as response to FIN from its side on connection close from its side.
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What is console.log?
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It's not a jQuery feature but a feature for debugging purposes. You can for instance log something to the console when something happens. For instance:
$('#someButton').click(function() {
console.log('#someButton was clicked');
// do something
});
You'd then ...
[] and {} vs list() and dict(), which is better?
...h essentially the same thing, but in terms of style, which is the better (more Pythonic) one to use to create an empty list or dict?
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How many threads can a Java VM support?
How many threads can a Java VM support? Does this vary by vendor? by operating system? other factors?
12 Answers
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Purpose of buildscript block in Gradle
...k determines which plugins, task classes, and other classes are available for use in the rest of the build script. Without a buildScript block, you can use everything that ships with Gradle out-of-the-box. If you additionally want to use third-party plugins, task classes, or other classes (in the bu...
Elegant way to search for UTF-8 files with BOM?
For debugging purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script:
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How to get object size in memory? [duplicate]
I need to know how much bytes my object consumes in memory (in C#). for example how much my Hashtable , or SortedList , or List<String> .
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allowDefinition='MachineToApplication' error when publishing from VS2010 (but only after a previous
...ediateOutputPath>
And make that folder not in your project's folder. Works for me. It's not a perfect solution, but it's good for the moment. Make sure you remove the package folder (located inside the obj\Debug and/or obj\Release folder) from your project folder otherwise you'll keep getting t...