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Why should I use Deque over Stack?
...ncy: Stack extends the Vector class, which allows you to access element by index. This is inconsistent with what a Stack should actually do, which is why the Deque interface is preferred (it does not allow such operations)--its allowed operations are consistent with what a FIFO or LIFO data structur...
Django filter versus get for single object?
...ple:
try:
p = Article.objects.order_by('title', 'pub_date')[0]
except IndexError:
p = None
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Singular or plural controller and helper names in Rails
...g should be plural and came case. e.g: :rails generate controller Dogs new index create delete destroy edit" ??
– BKSpurgeon
Oct 25 '15 at 5:48
...
How to make a always full screen?
...0%;
left: 0;
top: 0;
background: rgba(51,51,51,0.7);
z-index: 10;
}
</style>
</head>
<body>
<div class='overlay'>Selectable text</div>
<p> This paragraph is located below the overlay, and cannot be selected because of that :)</...
For each row in an R dataframe
... up with (x) is a vector. This is why the above example has to use numeric indexes; the by() approach gives you a data.frame, which makes your code more robust.
– Darren Cook
Dec 19 '11 at 5:20
...
Get the client IP address using PHP [duplicate]
...alse if the variable isn't set, where $_SERVER will error with "undefined index" if the variable isn't set.
– Michael
Feb 7 '14 at 1:45
4
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Call a controller function from a directive without isolated scope in AngularJS
...et()
But you can also use array notation:
some_obj['greet']
Note how the index value is a string. So, in your directive you can simply do this:
link: function (scope, element, attrs) {
element.bind('click', function (e) {
if (confirm(attrs.confirm)) {
var func_str = attrs.con...
How to declare an array in Python?
...nit with values (can contain mixed types)
arr = [1, "eels"]
# get item by index (can be negative to access end of array)
arr = [1, 2, 3, 4, 5, 6]
arr[0] # 1
arr[-1] # 6
# get length
length = len(arr)
# supports append and insert
arr.append(8)
arr.insert(6, 7)
Theoretical answer
Under the hood...
Is there a way to suppress warnings in Xcode?
...warnings:
#pragma unused(varname)
EDIT:
source: http://www.cocoadev.com/index.pl?XCodePragmas
UPDATE:
I came accross with a new solution, a more robust one
Open the Project > Edit Active Target> Build tab.
Under User-Defined: find (or create if you don't find one )the key : GCC_WARN_UNUS...
How to retrieve the current value of an oracle sequence without increment it?
...t max(PK) from TheTable is also very fast, probably because a PK is always indexed. Or select count(*) from TheTable. I am still experimenting, but both SELECTs seem fast.
I don't mind a gap in a sequence, but in my case I was thinking of polling a lot, and I would hate the idea of very large gaps....