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Java: Instanceof and Generics
Before I look through my generic data structure for a value's index, I'd like to see if it is even an instance of the type this has been parametrized to.
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Multi-Line Comments in Ruby?
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=begin
My
multiline
comment
here
=end
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Multiple arguments vs. options object
...nswered Oct 10 '12 at 19:47
Jeremy J StarcherJeremy J Starcher
20.9k55 gold badges4545 silver badges6969 bronze badges
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Print a file's last modified date in Bash
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Hm, could it be my unbuntu? Do you know what the requirements of using stat is?
– Hokerie
May 6 '13 at 2:57
34
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How to sort with a lambda?
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Got it.
sort(mMyClassVector.begin(), mMyClassVector.end(),
[](const MyClass & a, const MyClass & b) -> bool
{
return a.mProperty > b.mProperty;
});
I assumed it'd figure out that the > operator returned a bool...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
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In the case of trying to find an element in a long list by:
try:
x = my_list[index]
except IndexError:
x = 'NO_ABC'
the try, except is the best option when the index is probably in the list and the IndexError is usually not raised. This way you avoid the need for an extra lookup by if in...
UITableViewCell show white background and cannot be modified on iOS7
...isplayCell:forRowAtIndexPath: method of your table view delegate.
So for my case that to show cells with transparent background, just need to implement the delegate method in the table view controller like below:
- (void)tableView:(UITableView *)tableView
willDisplayCell:(UITableViewCell *)cell...
How to make Git pull use rebase by default for all my repositories?
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Thanks, I've edited my answer, in the future, feel free to edit the answer yourself.
– Flimm
May 12 '15 at 12:38
2
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Use of #pragma in C
...I regularly use is #pragma pack(1) where I'm trying to squeeze more out of my memory space on embedded solutions, with arrays of structures that would otherwise end up with 8 byte alignment.
Pity we don't have a #dogma yet. That would be fun ;)
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jQuery - setting the selected value of a select control via its text description
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I haven't tested this, but this might work for you.
$("select#my-select option")
.each(function() { this.selected = (this.text == myVal); });
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