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How can I specify a local gem in my Gemfile?
...ing the version of the gem, stopping/starting the Rails server gives me an error. In order to fix it, I am specifying the gem version in the rails application Gemfile like this:
gem 'GEM_NAME', '0.0.2', :github => 'GEM_NAME/GEM_NAME', :branch => 'master'
...
Why does Node.js' fs.readFile() return a buffer instead of string?
... data.length)
Asynchronously:
fs.readFile('test.txt', 'utf8', function (error, data) {
if (error) throw error;
console.log(data.toString());
});
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Is there a difference between single and double quotes in Java?
...y early during compilation and hence using '\u00A' will lead to a compiler error. For special symbols it is better to use escape sequences instead, i.e. '\n' instead of '\u00A' .
Double quotes being for String, you have to use a "double quote escape sequence" (\") inside strings where it would othe...
How does Google's Page Speed lossless image compression work?
...
webp_optimizer.cc
For PNG files, they use OptiPNG with some trial-and-error approach
// we use these four combinations because different images seem to benefit from
// different parameters and this combination of 4 seems to work best for a large
// set of PNGs from the web.
const PngCompressPa...
Converting unix timestamp string to readable date
...to convert it to a readable date. When I use time.strftime , I get a TypeError :
15 Answers
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How do I convert CamelCase into human-readable names in Java?
......
– Mr. Polywhirl
Jan 21 '15 at 3:05
...
Is it possible to change a UIButtons background color?
... I like this solution, but at the moment I can't use it. I get an error, because "CommonUIUtility" can't be found. Google just gives me eclipse stuff, but i guess it should be in the QuartzCore? Any ideas?
– Stephan
Apr 11 '12 at 9:37
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How come a non-const reference cannot bind to a temporary object?
...ld get at the modified value anyway. He says that this, most likely, is an error.
– sbi
Oct 14 '09 at 16:56
2
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Posting a File and Associated Data to a RESTful WebService preferably as JSON
...on" forHTTPHeaderField:@"Photo-Description"];
NSURLResponse *response;
NSError *error;
[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
At the server side, I receive the photo using the code:
InputStream is = request.inputStream
def receivedPh...
Find and Replace Inside a Text File from a Bash Command
...
Note for Mac users who get an invalid command code C error... For in-place replacements, BSD sed requires a file extension after the -i flag because it saves a backup file with the given extension. For example: sed -i '.bak' 's/find/replace/' /file.txt You can skip the backu...