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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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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 ...
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Build the full path filename in Python

... filename = os.path.join(basedir, '.'.join((sys.argv[1], suffix))) time = read_var(ncf, 'time') lat = read_var(ncf, 'lat') lon = read_var(ncf, 'lon') soil = read_var(ncf, 'soilw') Simply run the script like: # on windows-based systems python script.py year ...
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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...
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Parse rfc3339 date strings in Python? [duplicate]

... You can use dateutil.parser.parse to parse strings into datetime objects. dateutil.parser.parse will attempt to guess the format of your string, if you know the exact format in advance then you can use datetime.strptime which you supply a format string to (see Brent Washburne's answe...
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TypeLoadException says 'no implementation', but it is implemented

... 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...
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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...
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Python append() vs. + operator on lists, why do these give different results?

...ts stored in them is constrained. The type is specified at object creation time by using a type code, which is a single character. share | improve this answer | follow ...
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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...
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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...