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How do I get only directories using Get-ChildItem?
... The Attributes parameter doesn't seem to be in PS2, it gives an error "A parameter cannot be found that matches parameter name 'Attributes'". It works ok in PS3.
– WileCau
May 26 '14 at 7:02
...
How to make a Python script run like a service or daemon in Linux
...arent
sys.exit(0)
except OSError, e:
sys.stderr.write("fork #1 failed: %d (%s)\n" % (e.errno, e.strerror))
sys.exit(1)
# decouple from parent environment
os.chdir("/")
...
Deep copy of a dict in python
...ry from within my domain dictionary.
Without deepcopy I get the following error:
"RuntimeError: dictionary changed size during iteration"
...when I try to remove the desired element from my dictionary inside of another dictionary.
import socket
import xml.etree.ElementTree as ET
from copy impor...
How to “perfectly” override a dict?
...or out the difference between Python 2 and 3, create a singleton (_RaiseKeyError) to make sure we know if we actually get an argument to dict.pop, and create a function to ensure our string keys are lowercase:
from itertools import chain
try: # Python 2
str_base = basestring
it...
Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
...
Late to the party, but the accepted answer doesn't explain why no error is displayed. And as this is something Postgres newcomers often stumble upon, I wanted to add that.
TL/TR: always end your SQL statements with ;
Because the createdb database did not end with ; psql thinks the sta...
Unable to find specific subclass of NSManagedObject
...
What if you get this error in Objective-C when using core data in a static library?
– George Taskos
Dec 14 '14 at 0:53
1
...
Cookies on localhost with explicit domain
...Set-Cookie: name=value;
domain=localhost; expires=Thu, 16-Jul-2009 21:25:05 GMT; path=/
...then browsers ignore it because it does not include at least two periods and is not one of seven specially handled, top level domains.
...domains must have at least two (2) or three (3) periods in the...
How to parse float with two decimal places in javascript?
...ur formula? var twoPlacedFloat = parseFloat(('2.00').toFixed(2)) generates error.
– Saurin Dashadia
Apr 9 '15 at 6:09
...
How to get the first five character of a String
...g for length before hand.
The other way is to use String.Substring with error checking
like:
string firstFivCharWithSubString =
!String.IsNullOrWhiteSpace(yourStringVariable) && yourStringVariable.Length >= 5
? yourStringVariable.Substring(0, 5)
: yourStringVariable;
...
How do I declare class-level properties in Objective-C?
...
As seen in WWDC 2016/XCode 8 (what's new in LLVM session @5:05). Class properties can be declared as follows
@interface MyType : NSObject
@property (class) NSString *someString;
@end
NSLog(@"format string %@", MyType.someString);
Note that class properties are never synthesized
...