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How to get root access on Android emulator?
...s for getting root in Android emulator. I don't use any Android device and test everything on emulator(AVD).
10 Answers
...
How can you debug a CORS request with cURL?
...gle API that supports CORS, but you can substitute in whatever url you are testing.
The response should include the Access-Control-Allow-Origin header.
Sending a preflight request using cUrl:
curl -H "Origin: http://example.com" \
-H "Access-Control-Request-Method: POST" \
-H "Access-Control-...
How can I get selector from jQuery object
...T THING</strong> ever</p>
<button id="myButton">Button test</button>
</div>
<ul>
<li>Item one
<ul>
<li id="sub2" >Sub one</li>
<li id="sub2" class="subitem otherclass">Sub two</li>
</ul>
</li&g...
Assigning out/ref parameters in Moq
...r me.
public interface IService
{
void DoSomething(out string a);
}
[TestMethod]
public void Test()
{
var service = new Mock<IService>();
var expectedValue = "value";
service.Setup(s => s.DoSomething(out expectedValue));
string actualValue;
service.Object.DoSometh...
Why would you use String.Equals over ==? [duplicate]
...string with two characters "Hi", but myItem == "Hi" or "Hi" == myItem will test reference equality. The "Option Strict On" dialect of VB.NET is better in that regard. Its "=" operator tests either tests value equality or won't compile; for a reference-equality check, one uses the "Is" operator.
...
filtering NSArray into a new NSArray in Objective-C
...
There are loads of ways to do this, but by far the neatest is surely using [NSPredicate predicateWithBlock:]:
NSArray *filteredArray = [array filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(id object, NSDictionary *bindings) {
return [object shouldIKeepYou]...
What does @media screen and (max-width: 1024px) mean in CSS?
...It prevents the CSS inside it from being run unless the browser passes the tests it contains.
The tests in this media query are:
@media screen — The browser identifies itself as being in the “screen” category. This roughly means the browser considers itself desktop-class — as opposed to e...
Split column at delimiter in data frame [duplicate]
...),
+ bar=c('p|q', 'r|s', 's|t'), stringsAsFactors=F)
> transform(df, test=do.call(rbind, strsplit(foo, '|', fixed=TRUE)), stringsAsFactors=F)
id foo bar test.1 test.2
1 1 a|b p|q a b
2 2 b|c r|s b c
3 3 c|d s|t c d
Multiple columns:
> transform(df, lapp...
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...struct adder<Goal, Goal>{
static unsigned const value = Goal;
};
Testcode:
template<unsigned Start>
struct sum_from{
template<unsigned Goal>
struct to{
template<unsigned N>
struct equals;
typedef equals<adder<Start, Goal>::value> result;
};...
Fast Linux File Count for a large number of files
...
The fastest way is a purpose-built program, like this:
#include <stdio.h>
#include <dirent.h>
int main(int argc, char *argv[]) {
DIR *dir;
struct dirent *ent;
long count = 0;
dir = opendir(argv[1]);
...