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Attempt to set a non-property-list object as an NSUserDefaults
...efaults. You can even store an NSArray of NSData if you need to.
When you read back the array you need to unarchive the NSData to get back your BC_Person objects.
Perhaps you want this:
- (void)savePersonArrayData:(BC_Person *)personObject {
[mutableDataArray addObject:personObject];
NSM...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
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Way too cumbersome malloc a large space only to read one pixel.
– ragnarius
Jul 15 '11 at 13:19
46
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Case insensitive string compare in LINQ-to-SQL
I've read that it's unwise to use ToUpper and ToLower to perform case-insensitive string comparisons, but I see no alternative when it comes to LINQ-to-SQL. The ignoreCase and CompareOptions arguments of String.Compare are ignored by LINQ-to-SQL (if you're using a case-sensitive database, you get a ...
What is the difference between a generative and a discriminative algorithm?
... learns the conditional probability distribution p(y|x) - which you should read as "the probability of y given x".
Here's a really simple example. Suppose you have the following data in the form (x,y):
(1,0), (1,0), (2,0), (2, 1)
p(x,y) is
y=0 y=1
-----------
x=1 | 1/2 0
x=2 | 1/4...
What does it mean to inflate a view from an xml file?
...flate the layout. By the time you call findViewById the view objects are already in memory, and the only reason you do so is to get a reference to that particular object (either to change it or get data out of it).
– Cristian
May 4 '17 at 11:42
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Express command not found
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This worked thanks so much for your help! I was ready to pull my hair out over this last night.
– Tony Barsotti
Apr 11 '14 at 12:14
2
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Storing Images in PostgreSQL
...ng the answer for your changes (see "Wiki mode", you can edit!), for proofreading and for updates. The question is stable (@Ivans's '08 answer with 19 votes), please, help to improve this text.
share
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Find a Pull Request on Github where a commit was originally created
...ding the larger thinking around a change or set of changes made to a repo. Reading pull requests are a great way to quickly "grok" a project as, instead of small atomic changes to the source, you get larger groupings of logical changes. Analogous to organizing the lines in your code into related "st...
What is a stored procedure?
...nt execute rights to a stored procedure but the user will not need to have read/write permissions on the underlying tables. This is a good first step against SQL injection.
Stored procedures do come with downsides, basically the maintenance associated with your basic CRUD operation. Let's say for e...
Get cookie by name
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use a cookie getting script:
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if ...