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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
...
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...
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.
...
What is an idiomatic way of representing enums in Go?
...IED Level = iota // 0 :
// TRACE logs everything
TRACE // 1
// INFO logs Info, Warnings and Errors
INFO // 2
// WARNING logs Warning and Errors
WARNING // 3
// ERROR just logs Errors
ERROR // 4
)
// Level holds the log level.
type Level int
func SetLogLevel(level Le...