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Can I “multiply” a string (in C#)?
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And it's not much more in .NET 3.5: String.Concat(Enumerable.Repeat("Hello", 4).ToArray())
– Mark Foreman
Sep 3 '12 at 0:54
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How to run a hello.js file in Node.js on windows?
...mple. For a permanent installation you'd want to store the executable in a more reasonable place than the root directory and update your PATH to include its location.
Download the Windows executable here: http://nodejs.org/#download
Copy the file to C:\
Create C:\hello.js
Paste in the following co...
Commenting multiple lines in DOS batch file
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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
...o '?', and '{' to '~'. the last string of characters can't be represented more simply with a range: !"^_`[].
Use an ACSII table to find ranges for character classes.
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...ly extract files out of the installer. Try again with the installer and/or more privileges. Or, if you don't want to use the installer, use the .tar.gz Java package instead.
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How can I match on an attribute that contains a certain string?
...having a problem selecting nodes by attribute when the attributes contains more than one word. For example:
10 Answers
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How do I iterate over an NSArray?
...y Apple code) retains the collection it's enumerating as long as there are more objects, so you don't have to worry about how long an autoreleased object will exist.
Perhaps the biggest thing an NSEnumerator (or fast enumeration) protects you from is having a mutable collection (array or otherwise)...
How do I find a stored procedure containing ?
...ourage blind/copy paste by less experienced engineers, and frustration for more senior engineers working with a new RDBMS such as SQL Server.
– DavidScherer
Oct 19 '18 at 17:28
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Can't operator == be applied to generic types in C#?
...iler can't make that assumption.
However, this will compile because it is more explicit:
bool Compare<T>(T x, T y) where T : class
{
return x == y;
}
Follow up to additional question, "But, in case I'm using a reference type, would the the == operator use the predefined...
Appending the same string to a list of strings in Python
...ally need a list, but just need an iterator, a generator expression can be more efficient (although it does not likely matter on short lists):
(s + mystring for s in mylist)
These are very powerful, flexible, and concise. Every good python programmer should learn to wield them.
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