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How much size “Null” value takes in SQL Server
...lso depends a bit (From the comments section here) "For heap and clustered index record, there's always a NULL bitmap . For non-clustered indexes, there won't be if all columns in the index are NOT NULL."
– Martin Smith
Sep 16 '10 at 23:51
...
Accessing nested JavaScript objects and arays by string path
...ring = function(o, s) {
s = s.replace(/\[(\w+)\]/g, '.$1'); // convert indexes to properties
s = s.replace(/^\./, ''); // strip a leading dot
var a = s.split('.');
for (var i = 0, n = a.length; i < n; ++i) {
var k = a[i];
if (k in o) {
o = o[k...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
...ay + — array subscript access operation,
where index is `1,2,3`,
which is an expression that evaluates to `3`.
The second [...] cannot be an array, so it’s an array subscript operation. And the contents of a subscript operation are not a delimited ...
Select by partial string from a pandas DataFrame
...atch multiple whole words
Understand the reason behind "ValueError: cannot index with vector containing NA / NaN values"
...and would like to know more about what methods should be preferred over others.
(P.S.: I've seen a lot of questions on similar topics, I thought it would be good to leave this...
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...d not work with an object which is not a subclass of integer, because list indexing only works with integers, or objects that define a __index__ method (thanks mark-dickinson).
Edit:
It is true of the current python version, and of that of Python 3. The docs for python 2.6 and the docs for Python ...
How do you embed binary data in XML?
...
XML is so versatile...
<DATA>
<BINARY>
<BIT index="0">0</BIT>
<BIT index="1">0</BIT>
<BIT index="2">1</BIT>
...
<BIT index="n">1</BIT>
</BINARY>
</DATA>
XML is like violence - If it doesn't so...
How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
...;
$("#text").val(val.replace('.', ':'));
From the docs:
.val( function(index, value) )
function(index, value)A function
returning the value to set.
This method is typically used to set
the values of form fields. For
<select multiple="multiple">
elements, multiple s can b...
How can you undo the last git add?
...adds since the last commit. git reset without a commit argument resets the index (unstages staged changes):
git reset
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jQuery : eq() vs get()
...
.get() returns an array, .get(index) returns the single element at the index from the array.
– Mohamed Fasil
Aug 10 '14 at 19:23
a...
Rails: How does the respond_to block work?
...reate a json api on your rails back-end, and only pass one view - like the index view of your Post controller. Then you could use a javascript library like Jquery or Backbone (or both) to manipulate data and create your own interface. These are called asynchronous UIs and they are becomming really...