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Get nth character of a string in Swift programming language
...
You will need to add this String extension to your project (it's fully tested):
extension String {
var length: Int {
return count
}
subscript (i: Int) -> String {
return self[i ..< i + 1]
}
func substring(fromIndex: Int) -> String {
return...
Pickle or json?
...
The benchmark cited by @mac only tests strings. I tested str, int and float seperately and found out that json is slower than cPickle with float serialization, but faster with float unserialization. For int (and str), json is faster both ways. Data and code:...
@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
While writing a new jUnit4 test, I'm wondering whether to use @RunWith(MockitoJUnitRunner.class) or MockitoAnnotations.initMocks(this) .
...
How do I find where an exception was thrown in C++?
... is unwound before terminate() is called.
Update: I threw together a Linux test program called that generates a backtrace in a terminate() function set via set_terminate() and another in a signal handler for SIGABRT. Both backtraces correctly show the location of the unhandled exception.
Update 2: ...
List all of the possible goals in Maven 2?
...information is available.
compile: compile the source code of the project.
test: test the compiled source code using a suitable unit testing framework. These tests should not require the code be packaged or deployed.
package: take the compiled code and package it in its distributable format, such as...
jQuery: find element by text
...r to get elements based on their content.
Demo here
$('div:contains("test")').css('background-color', 'red');
<div>This is a test</div>
<div>Another Div</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
...
How to check if there's nothing to be committed in the current branch?
...
An alternative to testing whether the output of git status --porcelain is empty is to test each condition you care about separately. One might not always care, for example, if there are untracked files in the output of git status.
For exampl...
Removing packages installed with go get
...cd /Users/ches/src/go/src/github.com/motemen/gore
rm -f gore gore.exe gore.test gore.test.exe commands commands.exe commands_test commands_test.exe complete complete.exe complete_test complete_test.exe debug debug.exe helpers_test helpers_test.exe liner liner.exe log log.exe main main.exe node node....
Chrome Extension - Get DOM content
...heck the URL of the active tab against our pattern and...
if (urlRegex.test(tab.url)) {
// ...if it matches, send a message specifying a callback too
chrome.tabs.sendMessage(tab.id, {text: 'report_back'}, doStuffWithDom);
}
});
content.js:
// Listen for messages
chrome.run...
Are unused CSS images downloaded?
...dent, since it's how they decide to implement the spec, however in a quick test here:
Chrome: Doesn't
FireFox: Doesn't
Safari: Doesn't
IE8: Doesn't
IE7: Doesn't
IE6: Unknown (Can someone test and comment?)
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