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Where is Java Installed on Mac OS X?
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I got to this question because I was getting an error in eclipse on my mac because I was getting an error on the first line of the program "import java.util.*." I strongly suspect this is because the java path isn't set correctly or something (even though I set this up onc...
Intellij IDEA, format all code in a project
I really like IDEA's code formatting, but how do I get it to reformat all the code in a particular project without going through each file? I've found the option to tidy / optimise imports on code before committing it to subversion which is great, but it only seems to apply to files that have otherw...
How do I convert a Vector of bytes (u8) to a string
...::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8];
let s = match str::from_utf8(buf) {
Ok(v) => v,
Err(e) => panic!("Invalid UTF-8 sequence: {}", e...
bash: Bad Substitution
This bash script gives me Bad substitution error on Ubuntu. Any help will be highly appreciated.
11 Answers
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Search and replace in Vim across all the project files
...eral times on a same line (g flag)
with user confirmation (c flag)
without error if no pattern found (e flag)
:cnf ⇒ jump to next file in the list created by the vim command
q ⇒ stop recording macro
1000@a ⇒ play macro stored in register a 1000 times
:wa ⇒ save all modified buffers
* EDIT...
When should I use ugettext_lazy?
...ttext as _, ugettext_noop as _noop
def view(request):
msg = _noop("An error has occurred")
logging.error(msg)
return HttpResponse(_(msg))
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Why does Razor _layout.cshtml have a leading underscore in file name?
...n. Also these default names of common pages should be configurable (Layout/Error/etc...).
– Tony Wall
Feb 7 '14 at 11:05
1
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How to do scanf for single char in C [duplicate]
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if (fgets(line, sizeof line, stdin) == NULL) {
printf("Input error.\n");
exit(1);
}
ch = line[0];
printf("Character read: %c\n", ch);
return 0;
}
One detail to be aware of when using fgets() will read in the newline character if there's enough room in the inu...
Unable to show a Git tree in terminal
Killswitchcollective.com's old article, 30 June 2009 , has the following inputs and outputs
6 Answers
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How can I force division to be floating point? Division keeps rounding down to 0?
...ommended for Python 2
Commonly seen is a / float(b). This will raise a TypeError if b is a complex number. Since division with complex numbers is defined, it makes sense to me to not have division fail when passed a complex number for the divisor.
>>> 1 / float(2)
0.5
>>> 1 / float...