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How to count total number of watches on a page?
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Here is a hacky solution that I put together based on inspecting the scope structures. It "seems" to work. I'm not sure how accurate this is and it definitely depends on some internal API. I'm using angularjs 1.0.5.
$rootScope.countWatchers = function () {
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What is path of JDK on Mac ? [duplicate]
Im using Mac only at work and I need to set JAVA_HOME to proper path of JDK. I downloaded JDK, installed it and now I can't find it anywhere. I was looking at the internet for the solution, but there is no folder Libraries/Java.
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Retrieve database or any other file from the Internal Storage using run-as
... databases.tar
adb exec-out run-as debuggable.app.package.name tar c shared_prefs/ > shared_prefs.tar
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PHP mail function doesn't complete sending of e-mail
...les (or in a master configuration file) will enable error reporting.
error_reporting(-1);
ini_set('display_errors', 'On');
set_error_handler("var_dump");
See How can I get useful error messages in PHP? — this answer for more details on this.
Make sure the mail() function is called
It may seem...
What is the most efficient Java Collections library? [closed]
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This statement was based on heavy real-world usage (which I'll take over a micro-benchmark any day) of various collection impls where we had prior needed a Trove collection but were able to now pull it out. Late JDK 6 updates (circa late 2009)...
Geometric Mean: is there a built-in?
...gth(x) is necessary for the cases where x contains non-positive values.
gm_mean = function(x, na.rm=TRUE){
exp(sum(log(x[x > 0]), na.rm=na.rm) / length(x))
}
Thanks to @ben-bolker for noting the na.rm pass-through and @Gregor for making sure it works correctly.
I think some of the comments ...
How to iterate through all git branches using bash script
...rmat='%(refname:short)'
iterate through all git branches: mapfile -t -C my_callback -c 1 < <( get_branches )
example:
my_callback () {
INDEX=${1}
BRANCH=${2}
echo "${INDEX} ${BRANCH}"
}
get_branches () {
git branch --all --format='%(refname:short)'
}
# mapfile -t -C my_callback -c 1...
submitting a GET form with query string params and hidden params disappear
...l trash the existing "?..." part of your URI and replace it with a new one based on your form.
In HTML 4.01, the spec produces invalid URIs - most browsers didn't actually do this though..
See http://www.w3.org/TR/html401/interact/forms.html#h-17.13.3, step four - the URI will have a ? appended, e...
Who sets response content-type in Spring MVC (@ResponseBody)
... </mvc:message-converters>
</mvc:annotation-driven>
Or code-based configuration:
@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurerAdapter {
private static final Charset UTF8 = Charset.forName("UTF-8");
@Override
public void configureMessageConverter...
Create a string of variable length, filled with a repeated character
...entioned here is terse, it is about 10X slower than a string-concatenation-based implementation. It performs especially badly on large strings. See below for full performance details.
On Firefox, Chrome, Node.js MacOS, Node.js Ubuntu, and Safari, the fastest implementation I tested was:
function r...