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How to merge every two lines into one from the command line?
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awk:
awk 'NR%2{printf "%s ",$0;next;}1' yourFile
note, there is an empty line at the end of output.
sed:
sed 'N;s/\n/ /' yourFile
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How should one use std::optional?
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edited May 11 '15 at 8:00
thecoshman
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what is the difference between ?:, ?! and ?= in regex?
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The difference between ?= and ?! is that the former requires the given expression to match and t...
How to align texts inside of an input?
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edited Apr 5 '13 at 20:04
Connor Gurney
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Implementing slicing in __getitem__
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answered May 29 '10 at 22:56
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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How to convert/parse from String to char in java?
...t to a character is probably to call the charAt method:
char c = s.charAt(0);
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PHP random string generator
...de snippet with the corrections:
function generateRandomString($length = 10) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= ...
Remove non-ascii character in string
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ASCII is in range of 0 to 127, so:
str.replace(/[^\x00-\x7F]/g, "");
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How to allocate aligned memory only using the standard library?
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+500
Original answer
{
void *mem = malloc(1024+16);
void *ptr = ((char *)mem+16) & ~ 0x0F;
memset_16aligned(ptr, 0, 1024)...
Will Dart support the use of existing JavaScript libraries?
...ation ?
– Amit Tomar
Jan 31 '14 at 10:54
2
@AmitTomar the community can't port over all JS librar...