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C# Convert List to Dictionary
...Distinct().ToDictionary(x => x, x => x);
EDIT To comment on the valid reason, I think the only reason that could be valid for conversions like this is that at some point the keys and the values in the resultant dictionary are going to diverge. For example, you would do an initial conversion,...
VIM ctrlp.vim plugin: how to rescan files?
...od alternative to the Command-T plugin which I have used before. What I did not like about Command-T is that it would take about 20-30 seconds to rescan files when it is invoked for the first time after starting vim.
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What is the difference between Reader and InputStream?
...d bytes from a stream. So they are useful for binary data such as images, video and serialized objects.
Readers on the other hand are character streams so they are best used to read character data.
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Difference between .keystore file and .jks file
...since JKS is the default keystore type in the Sun/Oracle Java security provider. Not everyone uses the .jks extension for JKS files, because it's implied as the default. I'd recommend using the extension, just to remember which type to specify (if you need).
In Java, the word keystore can have eith...
Reload the path in PowerShell
...d I install something that modifies the PATH or I modify it in any way outside of PowerShell then I need to restart PowerShell for it to see the updated PATH variable.
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How to find out element position in slice?
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I agree with Evan. Additional comment: it's more idiomatic to return just an int where -1 indicates "not found" (like bytes.IndexByte)
– Krzysztof Kowalczyk
Nov 29 '11 at 8:22
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Copying files using rsync from remote server to local machine
...s. The command given by Johnnysweb would create a directory called copy inside /path/to/local/storage. Like so /path/to/local/storage/copy. If that's what you want great. However a more common scenario is you want to copy the contents of the remote directory into a directory in your local. Then you ...
JOIN two SELECT statement results
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This works well, though I didn't specify that I want a LEFT JOIN so that records show up even if they have 0 late tasks.
– sylverfyre
May 10 '12 at 17:25
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Why can I use auto on a private type?
...cts of private types to template functions:
template <typename T>
void fun(T t) {}
int main() {
Foo f;
fun(f.Baz()); // ok
}
And why can we pass objects of private types to template functions, you ask? Because only the name of the type is inaccessible. The type itself is st...
Rails: how do I validate that something is a boolean?
Does rails have a validator like validates_numericality_of for boolean or do I need to roll my own?
5 Answers
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