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How do function pointers in C work?
...my favorite uses for function pointers is as cheap and easy iterators -
#include <stdio.h>
#define MAX_COLORS 256
typedef struct {
char* name;
int red;
int green;
int blue;
} Color;
Color Colors[MAX_COLORS];
void eachColor (void (*fp)(Color *c)) {
int i;
for (i=0...
On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
... The Intent.FLAG_ACTIVITY_CLEAR_TOP flag helps to clean up all activities including HomeActivity, thus the onCreate() method will be called when you start this activity again.
– thanhbinh84
Nov 18 '14 at 10:34
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Get city name using geolocation
...
You would do something like that using Google API.
Please note you must include the google maps library for this to work. Google geocoder returns a lot of address components so you must make an educated guess as to which one will have the city.
"administrative_area_level_1" is usually what you ...
How to secure an ASP.NET Web API [closed]
..., or even customized data which is added to HTTP header, the message might include:
Timestamp: time that request is sent (UTC or GMT)
HTTP verb: GET, POST, PUT, DELETE.
post data and query string,
URL
Under the hood, HMAC authentication would be:
Consumer sends a HTTP request to web server, aft...
AngularJS performs an OPTIONS HTTP request for a cross-origin resource
...equest
method. Servers can also notify clients whether "credentials"
(including Cookies and HTTP Authentication data) should be sent with
requests.
It is very hard to provide a generic solution that would work for all the WWW servers as setup will vary depending on the server itself and HTT...
Reading Properties file in Java
...ext and the best part is this properties file can be in any package/folder included in the application's classpath.
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onActivityResult() & onResume() [duplicate]
...informative exploration of some of the issues surrounding this sequencing (including a warning regarding attempts to use of the app's Application object to protect variables from its effects), complete with a hand-drawn UML sequence diagram, here:
http://steveliles.github.com/android_activity_lifec...
What's the best way to put a c-struct in an NSArray?
..., you could certainly allocate it once and not free it in the future. I've included an example of this in my edited answer. Also, it was not a typo for myStruct, as it was a structure allocated on the stack, as distinct from a pointer to a structure allocated on the heap.
– Sed...
Can you explain the HttpURLConnection connection process?
... * Trigger payload sending to the server.
* Client get ALL responses (including response code,
* message, and content payload)
*/
int responseCode = connection.getResponseCode();
System.out.println(responseCode);
/* Here no further exchange happens with remote server, si...
How to check if two arrays are equal with JavaScript? [duplicate]
...ual and the value-array are equal, and just recurse. We can extend this to include Maps as well (where the keys are also unique). (However if we extend this to Sets, we run into the tree isomorphism problem http://logic.pdmi.ras.ru/~smal/files/smal_jass08_slides.pdf - fortunately it's not as hard as...