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How to get JSON response from http.Get

...r myClient = &http.Client{Timeout: 10 * time.Second} func getJson(url string, target interface{}) error { r, err := myClient.Get(url) if err != nil { return err } defer r.Body.Close() return json.NewDecoder(r.Body).Decode(target) } Example use: type Foo struct { ...
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How to get current location in Android [duplicate]

... You may also need @Override public void onStatusChanged(String provider, int status, Bundle extras) { } @Override public void onProviderEnabled(String provider) { } @Override public void onProviderDisabled(String provider) { } – Ege K...
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how can I add the aidl file to Android studio (from the in-app billing example)

...' to the directory 'src/main/aidl' Locate your sdk location and go to "sdk\extras\google\play_billing". Default location for the sdk is "C:\Program Files (x86)\Android\android-sdk". If you custom changed it, then you will have to figure out the location through the sdk manager. Copy 'IInAppBillingSe...
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What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]

What is the difference between parseInt(string) and Number(string) in JavaScript? 6 Answers ...
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Prevent “overscrolling” of web page

...oll its content within. This works in Safari and in Chrome. Edit Why the extra <div>-element as a wrapper could be useful: Florian Feldhaus' solution uses slightly less code and works fine too. However, it can have a little quirk, when it comes to content that exceeds the viewport width. In ...
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Fast Linux File Count for a large number of files

...ursively. #include <stdio.h> #include <dirent.h> #include <string.h> #include <stdlib.h> #include <limits.h> #include <sys/stat.h> #if defined(WIN32) || defined(_WIN32) #define PATH_SEPARATOR '\\' #else #define PATH_SEPARATOR '/' #endif /* A custom structure...
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How to read/process command line arguments?

...tional arguments. The optparse module requires you to write your own usage string, and has no way to display help for positional arguments. argparse supports action that consume a variable number of command-line args, while optparse requires that the exact number of arguments (e.g. 1, 2, or 3) be kn...
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What does .SD stand for in data.table in R

...mples below, this is particularly helpful for chaining together "queries" (extractions/subsets/etc using [). In particular, this also means that .SD is itself a data.table (with the caveat that it does not allow assignment with :=). The simpler usage of .SD is for column subsetting (i.e., when .SDc...
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Static constant string (class member)

... in a header file in your case) class A { private: static const string RECTANGLE; }; and then // In one of the implementation files const string A::RECTANGLE = "rectangle"; The syntax you were originally trying to use (initializer inside class definition) is only allowed with integra...
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Clicking the back button twice to exit an activity

... } this.doubleBackToExitPressedOnce = true; Toast.makeText(this, R.string.exit_press_back_twice_message, Toast.LENGTH_SHORT).show(); } And it just works exactly as I want. Including the reset of the state whenever the activity is resumed. ...