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UITableViewCell show white background and cannot be modified on iOS7
... Unfortunately not true, there seems to be a bug in interface builder and I couldn't set it to my custom cell from the storyboard.
– Tarek Hallak
Sep 29 '13 at 16:55
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What are the key differences between Meteor, Ember.js and Backbone.js? [closed]
... is out, I am just wondering if anyone with experience of Meteor, Ember.js and Backbone.js can summarize the key differences and pros and cons of these three JavaScript frameworks for a person without any experience for any of them.
...
Tools for JPEG optimization? [closed]
Do you know of any tools (preferrably command-line) to automatically and losslessly optimize JPEGs that I could integrate into our build environment? For PNGs I'm currently using PNGOUT , and it generally saves around 40% bandwidth/image size.
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How do I make a branch point at a specific commit? [duplicate]
In Git, I understand that a branch is a pointer to a commit.
4 Answers
4
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What is the email subject length limit?
...e RFC 2822, section 2.1.1 to start.
There are two limits that this
standard places on the number of
characters in a line. Each line of
characters MUST be no more than 998
characters, and SHOULD be no more than
78 characters, excluding the CRLF.
As the RFC states later, you can work a...
Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
...can put this one to rest for me? My permissions are screwed up on my sites and I'm not sure how to fix them without just slamming a recursive 777 on everything which is quite obviously incorrect.
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How do I remove the file suffix and path portion from a path string in Bash?
...
Here's how to do it with the # and % operators in Bash.
$ x="/foo/fizzbuzz.bar"
$ y=${x%.bar}
$ echo ${y##*/}
fizzbuzz
${x%.bar} could also be ${x%.*} to remove everything after a dot or ${x%%.*} to remove everything after the first dot.
Example:
$ x=...
performSelector may cause a leak because its selector is unknown
...s for a reason. It's very rare that this warning should simply be ignored, and it's easy to work around. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_contr...
Function Pointers in Java
This may be something common and trivial, but I seem to be having trouble finding a concrete answer. In C# there is a concept of delegates, which relates strongly to the idea of function pointers from C++. Is there a similar functionality in Java? Given that pointers are somewhat absent, what is the...
Saving an Object (Data persistence)
...
You could use the pickle module in the standard library.
Here's an elementary application of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with open('company_data....