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How can I extract the folder path from file path in Python?
....path.split(os.path.abspath(existGDBPath))
('T:\\Data\\DBDesign', 'DBDesign_93_v141b.mdb')
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PHP: Storing 'objects' inside the $_SESSION
I just figured out that I can actually store objects in the $_SESSION and I find it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved....
Paste multiple columns together
...c('d', 'e', 'f'),
'd' = c('g', 'h', 'i'))
tidyr::unite_(data, paste(colnames(data)[-1], collapse="_"), colnames(data)[-1])
a b_c_d
1 1 a_d_g
2 2 b_e_h
3 3 c_f_i
Edit: Exclude first column, everything else gets pasted.
# tidyr_0.6.3
unite(data, newCol, -a)
# or by colum...
How do I find files with a path length greater than 260 characters in Windows?
...and then add a guide at position 260
In powershell cmd /c dir /s /b |? {$_.length -gt 260}
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How does the main() method work in C?
... be handled. */
extern int main(int argc, char **argv, char **envp);
void __start(void)
{
/* This is the real startup function for the executable.
It performs a bunch of library initialization. */
/* ... */
/* And then: */
exit(main(argc_from_somewhere, argv_from_somewhere, envp_from...
Django database query: How to get object by id?
...ject, using get() is more straightforward:
obj = Class.objects.get(pk=this_object_id)
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Adding a new value to an existing ENUM Type
...he new type.
-- 1. rename the enum type you want to change
alter type some_enum_type rename to _some_enum_type;
-- 2. create new type
create type some_enum_type as enum ('old', 'values', 'and', 'new', 'ones');
-- 3. rename column(s) which uses our enum type
alter table some_table rename column some...
Positioning MKMapView to show multiple annotations at once
...(IBAction)zoomOut:(id)sender {
CLLocationCoordinate2D southWest = _newLocation.coordinate;
CLLocationCoordinate2D northEast = southWest;
southWest.latitude = MIN(southWest.latitude, _annotation.coordinate.latitude);
southWest.longitude = MIN(southWest.longitude, _an...
Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
...t os
from django.core.handlers.wsgi import WSGIHandler
os.environ['DJANGO_SETTINGS_MODULE'] = 'myapp.settings'
application = WSGIHandler()
When I updated to the 1.7 style WSGI handler:
import os
from django.core.wsgi import get_wsgi_application
os.environ['DJANGO_SETTINGS_MODULE'] = 'myapp.se...
How to get the CPU Usage in C#?
...er;
cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
ramCounter = new PerformanceCounter("Memory", "Available MBytes");
Consume like this:
public string getCurrentCpuUsage(){
return cpuCounter.NextValue()+"%";
}
public string getAvailableRAM(){
...