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Storing custom objects in an NSMutableArray in NSUserDefaults
...ray];
if (oldSavedArray != nil)
objectArray = [[NSMutableArray alloc] initWithArray:oldSavedArray];
else
objectArray = [[NSMutableArray alloc] init];
}
You should check that the data returned from the user defaults is not nil, because I believe unarchiving from nil causes a...
JSON Array iteration in Android/Java
...or iterator() {
return this.myArrayList.iterator();
}
This will make all instances of JSONArray iterable, meaning that the for (Object foo : bar) syntax will now work with it (note that foo has to be an Object, because JSONArrays do not have a declared type). All this works because the JSONArr...
is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
...
Guava has a method that does something similar called MoreObjects.firstNonNull(T,T).
Integer x = ...
int y = MoreObjects.firstNonNull(x, -1);
This is more helpful when you have something like
int y = firstNonNull(calculateNullableValue(), -1);
since it saves you from...
What is a PDB file?
...ld than in a Debug build anyway. But if you want it to not be generated at all, go to your project's Build properties, select the Release configuration, click on "Advanced..." and under "Debug Info" pick "None".
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Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
...e very nice and ilustrative image.
I know it's an old question, but I casually found the same question posted by you in forum.jquery.com and one answer there (by@tucker973), suggested one nice library to make this and wanted to share it here.
It's called sticky-kit by @leafo
github proyect
webpa...
How can I ensure that a division of integers is always rounded up?
...ive when the two operands have opposite signs
If the left operand is the smallest representable int and the right operand is –1, an overflow occurs. [...] it is implementation-defined as to whether [an ArithmeticException] is thrown or the overflow goes unreported with the resulting value being th...
Execute raw SQL using Doctrine 2
...on()->prepare($sql);
$stmt->execute();
return $stmt->fetchAll();
}
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What are the pros and cons of both Jade and EJS for Node.js templating? [closed]
... your HTML structure gets complicated, your code will look horrible (especially tables). Sometimes, I don't even know what level I am at
table
thead
tr
td
a
img
tr
td
tbody
tr
td
Recently, I made a switch to EJS and I am happy with it so far. It...
How to delete a certain row from mysql table with same column values?
...
Thank you Juergen. This is all I need!
– Dani
Aug 22 '13 at 10:59
3
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How can I set response header on express.js assets
...anyone is still having issues or just doesn't want to add another library. All you have to do is place this middle ware line of code before your routes.
Cors Example
app.use((req, res, next) => {
res.append('Access-Control-Allow-Origin', ['*']);
res.append('Access-Control-Allow-Met...