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How to hide first section header in UITableView (grouped style)
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Actually, a better implementation (less likely to break in the future) is to use CGFLOAT_MIN instead of a hard-coded value. In other words, don't return 1.0f or 0.1f instead, return CGFLOAT_MIN If Apple ever changes the minimum a...
Avoiding SQL injection without parameters
...y. Instead they want to replace single apostrophes with two apostrophes in all strings to avoid sql injections. Our databases are all running Sql Server 2005 or 2008 and our code base is running on .NET framework 2.0.
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append multiple values for one key in a dictionary [duplicate]
...st of values associated with that year, right? Here's how I'd do it:
years_dict = dict()
for line in list:
if line[0] in years_dict:
# append the new number to the existing array at this slot
years_dict[line[0]].append(line[1])
else:
# create a new array in this slo...
How to get IP address of the device from code?
...aos.toByteArray(), "UTF-8") : new String(baos.toByteArray());
} finally {
try{ is.close(); } catch(Exception ignored){}
}
}
/**
* Returns MAC address of the given interface name.
* @param interfaceName eth0, wlan0 or NULL=use first interface
* @r...
How do I abort the execution of a Python script? [duplicate]
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Prints "aa! errors!" and exits with a status code of 1.
There is also an _exit() function in the os module. The sys.exit() function raises a SystemExit exception to exit the program, so try statements and cleanup code can execute. The os._exit() version doesn't do this. It just ends the program...
How does Spring Data JPA differ from Hibernate for large projects?
...a magic that helps with complex queries. It is strange at first and you totally skip it in the docs but it is really powerful and useful.
It involves creating a custom Repository and a custom `RepositoryImpl' and telling Spring where to find it. Here is an example:
Configuration class - point to y...
Multiprocessing vs Threading Python [duplicate]
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There is actually a good deal of difference: eli.thegreenplace.net/2012/01/16/…
– Andrew Sledge
May 29 '13 at 11:36
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Initialize a byte array to a certain value, other than the default null? [duplicate]
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For small arrays use array initialisation syntax:
var sevenItems = new byte[] { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
For larger arrays use a standard for loop. This is the most readable and efficient way to do it:
var se...
Why is SQL Server 2008 Management Studio Intellisense not working?
...en to insanity trying to figure out why Intellisense just fails to work at all. The server I'm using is local and is 2008, the database is set to 2008 compatibility, Intellisense is on in every menu I can find, and yet no member list will pop up even with a CTRL-J.
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What's the difference between an object initializer and a constructor?
...re parameters, and are used to create and initialize an object before the calling method gets the handle to the created object. For example:
MyObject myObjectInstance = new MyObject(param1, param2);
In this case, the constructor of MyObject will be run with the values param1 and param2. These ar...