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How to get JSON response from http.Get
...e a decoder on the reader directly. Here's a nice function that gets a url and decodes its response onto a target structure.
var myClient = &http.Client{Timeout: 10 * time.Second}
func getJson(url string, target interface{}) error {
r, err := myClient.Get(url)
if err != nil {
r...
Is there a way to change context to iframe in javascript console?
...tly in development:
You can also navigate across frames using the command line:
var frame = document.getElementById("frame1").contentWindow;
cd(frame);
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What is the command to list the available avdnames
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AFAIK android list avd avdmanager list avd is what you need.
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Can C++ code be valid in both C++03 and C++11 but do different things?
Is it possible for C++ code to conform to both the C++03 standard and the C++11 standard, but do different things depending on under which standard it is being compiled?
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setup.py examples?
...ackages on the Python Package Index. Just download the tarball, unpack it, and have a look at the setup.py file. Or even better, only bother looking through packages that list a public source code repository such as one hosted on GitHub or BitBucket. You're bound to run into one on the front page.
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Xcode 6 Bug: Unknown class in Interface Builder file
I upgraded to Xcode 6 beta 4 and now my App continuously crashes with the message
52 Answers
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How do you print in a Go test using the “testing” package?
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The structs testing.T and testing.B both have a .Log and .Logf method that sound to be what you are looking for. .Log and .Logf are similar to fmt.Print and fmt.Printf respectively.
See more details here: http://golang.org/pkg/testing/#pkg-index
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What would cause an algorithm to have O(log log n) complexity?
... 16
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
This process takes 16 steps, and it's also the case that 65,536 = 216.
But, if we take the square root at each level, we get
√65,536 = 256
√256 = 16
√16 = 4
√4 = 2
Notice that it only takes four steps to get all the way down to 2. Why is this?...
Performance of foreach, array_map with lambda and array_map with static function
...2 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(0, 1000000);
$ret = $func($numbers);
$t1 = microtime(1);
return array($t1 - $t0, $ret);
}
function useForeach($numbers) {...
How to profile a bash shell script slow startup?
...bashstart.PID.log that shows the seconds.nanoseconds timestamp of each command that was executed. The difference from one time to the next is the amount of time that the intervening step took.
As you narrow things down, you can move set -x later and set +x earlier (or bracket several sections of in...