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Updating MySQL primary key
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UIRefreshControl without UITableViewController
...oc] init];
[refreshControl addTarget:self action:@selector(handleRefresh:) forControlEvents:UIControlEventValueChanged];
[self.myTableView addSubview:refreshControl];
This adds a UIRefreshControl above your table view and works as expected without having to use a UITableViewController :)
EDIT: ...
Scala: What is a TypeTag and how do I use it?
All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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GraphViz - How to connect subgraphs?
In the DOT language for GraphViz , I'm trying to represent a dependency diagram. I need to be able to have nodes inside a container and to be able to make nodes and/or containers dependent on other nodes and/or containers.
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How do I call setattr() on the current module?
...s the index in that vector, not a name lookup. To defeat the optimization, forcing the dict you desire to exist, start the function with exec '': time a function with a couple substantial loops each way, and you'll see the importance of this core optimization to Python's performance.
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Python constructor and default value [duplicate]
...alse (e.g. False, 0, "", {}, (), objects that specify __nonzero__()). The former is specific: None is the only special object that triggers defaulting to []. The latter will replace any false-y object with [].
– Josh Bleecher Snyder
Oct 2 '12 at 17:37
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How to fix “Attempted relative import in non-package” even with __init__.py
...fying trickery (described below by BrenBarn) needed to allow these imports for executable scripts (e.g. when using a shebang and doing ./my_script.py at the Unix shell) would all be useful. This whole issue was quite tricky for me to figure out or find concise and understandable documentation on.
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Python: How do I make a subclass from a superclass?
...thon's built-in function, super() (see the Python 2/Python 3 documentation for it) may be a slightly better method of calling the parent for initialization:
# Better initialize using Parent (less redundant).
#
class MySubClassBetter(MySuperClass):
def __init__(self):
super(MySubClassBet...
Behaviour of increment and decrement operators in Python
... want to do:
count += 1
I suspect the ++ and -- operators were left out for consistency and simplicity. I don't know the exact argument Guido van Rossum gave for the decision, but I can imagine a few arguments:
Simpler parsing. Technically, parsing ++count is ambiguous, as it could be +, +, cou...
Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
I need to write a shell script for this. Can someone suggest how to begin?
8 Answers
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