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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...
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...
How to clear gradle cache?
...THER DIGRESSIONS
see here (including edits).
================
OBSOLETE INFO:
Newest solution using gradle task
cleanBuildCache
available via android plugin for Gradle, revision 2.3.0 (February 2017)
Dependencies:
Gradle 3.3 or higher.
Build Tools 25.0.0 or higher.
more at:
https://dev...
Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...
Python datetime objects don't have time zone info by default, and without it, Python actually violates the ISO 8601 specification (if no time zone info is given, assumed to be local time). You can use the pytz package to get some default time zones, or directly subclass...
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...
Exif manipulation library for python [closed]
...forge.net/
The pyexif python library and tools aims at extracting EXIF information from Jpeg and Tiff files which include it. This information is typically included in images created using digital imaging devices such as digital cameras, digital film scanners, etc.
However, it looks like pyex...
'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
... and add this icon into the project:
After this, click on ProjectName-Info.plist and find the icon files row. If you can't find it, then add it by clicking the (+) sign and select icon files and then set all icon images like below.
Now archive and distribute your project as we did for sub...
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=...
Can't compare naive and aware datetime.now()
...aware, and you can compare them
Note: This would raise a ValueError if tzinfo is already set. If you are not sure about that, just use
start_time = challenge.datetime_start.replace(tzinfo=utc)
end_time = challenge.datetime_end.replace(tzinfo=utc)
BTW, you could format a UNIX timestamp in dateti...