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How to check if a file exists in a folder?
...
You can also use the FileInfo.Exists property
– VMAtm
Sep 12 '11 at 8:46
10
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What is the purpose of class methods?
...ger.DEBUG
Then, in my code, if I wanted to spit out a bunch of debugging information, I simply had to code
Logger.debug( "this is some annoying message I only want to see while debugging" )
Errors could be out put with
Logger.error( "Wow, something really awful happened." )
In the "producti...
When and why should I use fragments in Android applications? [duplicate]
...le and do some logic depend on that. while if i used viewgroup i needed to inform the view group about lifecycle of activity calling some custom onResume method manually.
– Amir Ziarati
Jul 23 '17 at 7:57
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How do you determine the size of a file in C?
...lude <sys/stat.h>
int main(int argc, char** argv)
{
struct stat info;
stat(argv[1], &info);
// 'st' is an acronym of 'stat'
printf("%s: size=%ld\n", argv[1], info.st_size);
}
#include <stdio.h>
#include <sys/stat.h>
int main(int argc, char** argv)
{
str...
Default filter in Django admin
...odified to allow the selection of "All" by comparing HTTP_REFERER and PATH_INFO.
class MyModelAdmin(admin.ModelAdmin):
def changelist_view(self, request, extra_context=None):
test = request.META['HTTP_REFERER'].split(request.META['PATH_INFO'])
if test[-1] and not test[-1].sta...
How to develop a soft keyboard for Android? [closed]
... More explanation on this: fampennings.nl/maarten/android/09keyboard/index.htm
– TWiStErRob
Sep 9 '14 at 22:51
add a comment
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Unmangling the result of std::type_info::name
...working on some logging code that supposed to - among other things - print information about the calling function. This should be relatively easy, standard C++ has a type_info class. This contains the name of the typeid'd class/function/etc. but it's mangled. It's not very useful. I.e. typeid(std...
Check if my app has a new version on AppStore
...f the current version is different
-(BOOL) needsUpdate{
NSDictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString* appID = infoDictionary[@"CFBundleIdentifier"];
NSURL* url = [NSURL URLWithString:[NSString stringWithFormat:@"http://itunes.apple.com/lookup?bundleId=...
Need to handle uncaught exception and send log file
...tion, start a new activity to ask the user to send
a log.
Extract the log info from logcat's files and write to your
own file.
Start an email app, providing your file as an attachment.
Manifest: filter your activity to be recognized by your exception handler.
Optionally, setup Proguard to strip ou...
How to remove EXIF data without recompressing the JPEG?
I want to remove the EXIF information (including thumbnail, metadata, camera info... everything!) from JPEG files, but I don't want to recompress it, as recompressing the JPEG will degrade the quality, as well as usually increasing the file size.
...