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How do I show/hide a UIBarButtonItem?
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Save your button in a strong outlet (let's call it myButton) and do this to add/remove it:
// Get the reference to the current toolbar buttons
NSMutableArray *toolbarButtons = [self.toolbarItems mutableCopy];
// This is how you remove the button from the toolbar and ...
How do I drop table variables in SQL-Server? Should I even do this?
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Table variables are automatically local and automatically dropped -- you don't have to worry about it.
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Should *.xccheckout files in Xcode5 be ignored under VCS?
...fferent repositories, the presence of an .xccheckout file in the workspace allows Xcode to know what all of the components that make up a workspace are and where to get them.
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Why is the asterisk before the variable name, rather than after the type?
...ered Dec 29 '08 at 19:28
luiscuballuiscubal
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Best XML parser for Java [closed]
I need to read smallish (few MB at the most, UTF-8 encoded) XML files, rummage around looking at various elements and attributes, perhaps modify a few and write the XML back out again to disk (preferably with nice, indented formatting).
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Is a URL allowed to contain a space?
Is a URI (specifically an HTTP URL) allowed to contain one or more space characters? If a URL must be encoded, is + just a commonly followed convention, or a legitimate alternative?
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Why should I care about lightweight vs. annotated tags?
...ity for the paranoid. Most of us aren't ever going to use it, but if you really want to verify everything before you put that software on your computer, you might want it.
Edit:
As for what to write in a tag annotation, you're right - there's not always much useful to say. For a version number tag...
python-pandas and databases like mysql
...rame from it. SQLAlchemy makes it easier to combine SQL conditions Pythonically if you intend to mix and match things over and over.
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Table
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from...
SQLite table constraint - unique on multiple columns
...in Tournoij
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answered Apr 23 '10 at 20:50
Ayman HouriehAyman Hourieh
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How to stop/terminate a python script from running?
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You can also do it if you use the exit() function in your code. More ideally, you can do sys.exit(). sys.exit() which might terminate Python even if you are running things in parallel through the multiprocessing package.
Note: In order to use the sys.exit(), you must import it: import sys
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