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How to avoid annoying error “declared and not used”
... for this, for example:
func Use(vals ...interface{}) {
for _, val := range vals {
_ = val
}
}
Which you can use like so:
package main
func main() {
a := "declared and not used"
b := "another declared and not used"
c := 123
Use(a, b, c)
}
There's also a packag...
How to print without newline or space?
... parameterless "print" that adds the final newline:
>>> for i in range(10):
... print i,
... else:
... print
...
0 1 2 3 4 5 6 7 8 9
>>>
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...
How to increment a datetime by one day?
...
date = datetime.datetime(2003,8,1,12,4,5)
for i in range(5):
date += datetime.timedelta(days=1)
print(date)
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f...
How can I strip all punctuation from a string in JavaScript using regex?
...h as curly quotes, em-dashes, etc), you can easily match on specific block ranges. The General Punctuation block is \u2000-\u206F, and the Supplemental Punctuation block is \u2E00-\u2E7F.
Put together, and properly escaped, you get the following RegExp:
/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*...
Convert a byte array to integer in Java and vice versa
... bytes = (…)
if (bytes[0] == 0xFF) {
// dead code, bytes[0] is in the range [-128,127] and thus never equal to 255
}
Note that all numeric types are signed in Java with exception to char being a 16-bit unsigned integer type.
...
Maximum filename length in NTFS (Windows XP and Windows Vista)?
...ld in the NTFS $Filename attribute is a byte with no offset; this yields a range of 0-255.
The file name iself can be in different "namespaces". So far there are: POSIX, WIN32, DOS and (WIN32DOS - when a filename can be natively a DOS name). (Since the string has a length, it could contain \0 but t...
Why does Stream not implement Iterable?
...
@HRJ IntStream.range(0,N).forEach(System.out::println)
– MikeFHay
Jul 24 '14 at 15:32
11
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Remove outline from select box in FF
...gree of accuracy. There's no browser I'm aware of that supports a sensible range of properties in all controls. That's the reason why there're a gazillion JavaScript libraries that "fake" form controls with images and other HTML elements and emulate their original functionality with code:
http://ry...
Limit labels number on Chart.js line chart
... 10th label: my_labels = [my_labels[i] if i % 10 == 0 else "" for i in range(len(my_list))]. The number 10 can of course be declared as a constant at the beginning of the file for easier parameterization of the process.
– pkaramol
Apr 6 '16 at 11:03
...
Maximum and Minimum values for ints
...3 - 1, so you've got a 64-bit int. In general, an n-bit integer has values ranging from -2^(n-1) to 2^(n-1) - 1.
– NullUserException
Sep 30 '11 at 1:18
24
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