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What's a “static method” in C#?
...her point of view:
Consider that you want to make some changes on a single String.
for example you want to make the letters Uppercase and so on.
you make another class named "Tools" for these actions.
there is no meaning of making instance of "Tools" class because there is not any kind of entity ava...
Why does parseInt(1/0, 19) return 18?
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The result of 1/0 is Infinity.
parseInt treats its first argument as a string which means first of all Infinity.toString() is called, producing the string "Infinity". So it works the same as if you asked it to convert "Infinity" in base 19 to decimal.
Here are the digits in base 19 along with t...
How can I output leading zeros in Ruby?
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Use the % operator with a string:
irb(main):001:0> "%03d" % 5
=> "005"
The left-hand-side is a printf format string, and the right-hand side can be a list of values, so you could do something like:
irb(main):002:0> filename = "%s/%s.%04d....
Piping both stdout and stderr in bash?
...and stderr, 2>&1 redirects stderr back to stdout and grep sees both strings on stdin, thus filters out both.
You can read more about redirection here.
Regarding your example (POSIX):
cmd-doesnt-respect-difference-between-stdout-and-stderr 2>&1 | grep -i SomeError
or, using >=ba...
How do I create a SHA1 hash in ruby?
...hat's this 'serialize' function? that's not a part of ruby. Worse yet, the string being passed to hexdigest isn't dynamic at all! This method would return the same hash regardless what data you give it!
– Blixxy
Jul 7 '12 at 10:10
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Is there an eval() function in Java? [duplicate]
I have a string like the following:
12 Answers
12
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How to declare string constants in JavaScript? [duplicate]
I want to declare string constants in JavaScript.
11 Answers
11
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Scala: write string to file in one statement
... @Kakaji, could you please elaborate? I've just tested it with strings with newlines, and it works perfectly. It just cannot filter anything - Files.write() writes the byte array as a blob, without analyzing its contents. After all, in some binary data 0x0d byte may have important meanin...
How can I implode an array while skipping empty array items?
...ioned, that array_filter() by default filters off every false, null, empty string ('') and 0.
– Tadeck
May 12 '11 at 22:55
1
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Converting Integer to Long
...lueOf(i.longValue());
This avoids the performance hit of converting to a String. The longValue() method in Integer is just a cast of the int value. The Long.valueOf() method gives the vm a chance to use a cached value.
sha...