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How to create json by JavaScript for loop?
...ID"); // this works too
var status = document.getElementsByName("status")[0];
var jsonArr = [];
for (var i = 0; i < status.options.length; i++) {
jsonArr.push({
id: status.options[i].text,
optionValue: status.options[i].value
});
}
</script>
...
Declare slice or make slice?
In Go, what is the difference between var s []int and s := make([]int, 0) ?
4 Answers
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How can I round to whole numbers in JavaScript?
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edited Aug 6 '11 at 16:10
Jeremy
21k44 gold badges6161 silver badges7777 bronze badges
answered Aug 6 ...
Do you use NULL or 0 (zero) for pointers in C++?
...as bolted on top of C, you could not use NULL as it was defined as (void*)0 . You could not assign NULL to any pointer other than void* , which made it kind of useless. Back in those days, it was accepted that you used 0 (zero) for null pointers.
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How to print to console in pytest?
... that particular test.
For example,
def test_good():
for i in range(1000):
print(i)
def test_bad():
print('this should fail!')
assert False
Results in the following output:
>>> py.test tmp.py
============================= test session starts =======================...
How can I convert this foreach code to Parallel.ForEach?
... |
edited Jul 26 '13 at 9:06
Contango
61.6k5252 gold badges216216 silver badges263263 bronze badges
answ...
How do I calculate the normal vector of a line segment?
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answered Aug 7 '09 at 8:49
Oren TrutnerOren Trutner
22k77 gold badges5050 silver badges5555 bronze badges
...
How to position a div in the middle of the screen when the page is bigger than the screen
...it at http://jsfiddle.net/XEUbc/1/
#mydiv {
position:fixed;
top: 50%;
left: 50%;
width:30em;
height:18em;
margin-top: -9em; /*set to a negative number 1/2 of your height*/
margin-left: -15em; /*set to a negative number 1/2 of your width*/
border: 1px solid #ccc;
...
Remove characters after specific character in string, then remove substring?
...om/somepage.aspx?whatever";
int index = input.IndexOf("?");
if (index > 0)
input = input.Substring(0, index);
Edit: If everything after the last slash, do something like
string input = "http://www.somesite.com/somepage.aspx?whatever";
int index = input.LastIndexOf("/");
if (index > 0)
...
'str' object does not support item assignment in Python
...
105
In Python, strings are immutable, so you can't change their characters in-place.
You can, howe...