大约有 19,000 项符合查询结果（耗时：0.0349秒） [XML]
How to get an object's properties in JavaScript / jQuery?
...t intance of a determinated prop:
var obj = {a:'Saludos',
b:{b_1:{b_1_1:'Como estas?',b_1_2:'Un gusto conocerte'}},
d:'Hasta luego'
}
function scan (element,list){
var res;
if (typeof(list) != 'undefined'){
if (typeof(list) == 'object'){
...
AJAX Mailchimp signup form integration
... {
if ( event ) event.preventDefault();
// validate_input() is a validation function I wrote, you'll have to substitute this with your own.
if ( validate_input($form) ) { register($form); }
});
}
});
function register($form) {
$.ajax({
typ...
What is the proper way to re-throw an exception in C#? [duplicate]
...n("Not enough room in array to copy elements starting at index given.");
_innerList.CopyTo(array, arrayIndex);
}
That's not the worse code because it's boilerplate and we can probably just copy it from some other implementation of CopyTo where it wasn't a simple pass-through and we had to implem...
Read each line of txt file to new array element
...sing, this should do what you're looking for
$lines = file($filename, FILE_IGNORE_NEW_LINES);
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Truncating floats in Python
...imal module
str(Decimal(s).quantize(Decimal((0, (1,), -n)), rounding=ROUND_DOWN))
The first step, converting to a string, is quite difficult because there are some pairs of floating point literals (i.e. what you write in the source code) which both produce the same binary representation and yet s...
How to print a groupby object
...
Simply do:
grouped_df = df.groupby('A')
for key, item in grouped_df:
print(grouped_df.get_group(key), "\n\n")
This also works,
grouped_df = df.groupby('A')
gb = grouped_df.groups
for key, values in gb.iteritems():
print(df.ix[...
Can an AJAX response set a cookie?
...swered Jul 27 '10 at 4:46
this. __curious_geekthis. __curious_geek
40.1k2020 gold badges105105 silver badges132132 bronze badges
...
Memoization in Haskell?
...alling, for example: fix f 123 = 144
We could memoize this by defining:
f_list :: [Int]
f_list = map (f faster_f) [0..]
faster_f :: Int -> Int
faster_f n = f_list !! n
That performs passably well, and replaces what was going to take O(n^3) time with something that memoizes the intermediate r...
Window.open and pass parameters by post method
...
@Guffa any way to also simulate the behavior of target="_blank"?
– everton
Jan 15 '14 at 20:31
2
...
find vs find_by vs where
...d are usually replaced with things like this:
Model.all
Model.first
find_by is used as a helper when you're searching for information within a column, and it maps to such with naming conventions. For instance, if you have a column named name in your database, you'd use the following syntax:
Mod...