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To ARC or not to ARC? What are the pros and cons? [closed]
...s easier than your old code. It is not garbage collection. It has no GC runtime overhead. The compiler inserts retains and releases in all the places you should have anyway. But it's smarter than you and can optimize out the ones that aren't actually needed (just like it can unroll loops, eliminate ...
How do I capture the output of a script if it is being ran by the task scheduler?
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The >> will append the log file, rather than overwriting it each time. The 2>&1 will also send errors to your log file.
cmd /c YourProgram.exe >> log.txt 2>&1
share
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Windows 7 SDK installation failure
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I changed the value to 0. Once the SDK had installed (quite happily this time) I set the value back to 1.
What alerted me to the possible error was the following in the SDK setup log:
12:19:42 PM Friday, 8 January 2010: SFX C:\Program Files\Microsoft SDKs\Windows\v7.0\Setup\SFX\dexplore.exe inst...
Placeholder in IE9
...http://mathiasbynens.be/demo/placeholder
p.s
I have used this plugin many times and it works a treat. Also it doesn't submit the placeholder text as a value when you submit your form (... a real pain I found with other plugins).
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TypeLoadException says 'no implementation', but it is implemented
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NOTE - If this answer doesn't help you, please take the time to scroll down through the other answers that people have added since.
Short answer
This can happen if you add a method to an interface in one assembly, and then to an implementing class in another assembly, but you r...
Haskell, Lisp, and verbosity [closed]
...ads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and
the static system is sufficiently general that it never gets in your way, and somewhat surprisingly it actually "aids in achieving agility" (as you said) becau...
Environment variables in Mac OS X
...l programs launched by the user, GUI and CLI. You can apply changes at any time by using the setenv command in launchctl. In theory, you should be able to put setenv commands in ~/.launchd.conf, and launchd would read them automatically when the user logs in, but in practice support for this file wa...
Is there a query language for JSON?
...to support JSON queries (similar to JSONiq). Of course, it could take some time since XQuery 3.0 is not officially released yet.
– Julien Ribon
Dec 14 '12 at 10:14
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When & why to use delegates? [duplicate]
...od that matches this signature, to the delegate and it will be called each time my delegate is called".
Typical use is of course events. All the OnEventX delegate to the methods the user defines.
Delegates are useful to offer to the user of your objects some ability to customize their behavior.
Mo...
JSON serialization of Google App Engine models
...ents) to a nested dictionary that can be passed to simplejson:
import datetime
import time
SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list)
def to_dict(model):
output = {}
for key, prop in model.properties().iteritems():
value = getattr(model, key)
if valu...