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XPath with multiple conditions
...and author[starts-with(.,'James Small')]]
It is a good rule to try to avoid using the // pseudo-operator whenever possible, because its evaluation can typically be very slow.
Also:
./somename
is equivalent to:
somename
so it is recommended to use the latter.
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Why do Twitter Bootstrap tables always have 100% width?
...rding to their container, which you can easily do by placing your table inside a .span* grid element of your choice. If you wish to remove this property you can create your own table class and simply add it to the table you want to expand with the content within:
.table-nonfluid {
width: auto !i...
How do I install a NuGet package into the second project in a solution?
... answered Feb 13 '11 at 1:27
davidfowldavidfowl
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How do you set, clear, and toggle a single bit?
...t;< n);
That will clear the nth bit of number. You must invert the bit string with the bitwise NOT operator (~), then AND it.
Toggling a bit
The XOR operator (^) can be used to toggle a bit.
number ^= 1UL << n;
That will toggle the nth bit of number.
Checking a bit
You didn't ask for this...
How does __proto__ differ from constructor.prototype?
...types' __proto__ properties point to Function.prototype. Object, Function, String, Number, and Array all inherit the Function prototype.
– Swivel
Jun 26 '13 at 21:15
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LINQ - Convert List to Dictionary with Value as List
...ictionary, then you could use the ToDictionary extension method, like so:
IDictionary<long, IEnumerable<MyObject>> dictionary = lookup.ToDictionary(
l => l.Key);
share
|
improve...
What do ellipsis […] mean in a list?
I was playing around in python. I used the following code in IDLE:
6 Answers
6
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Pass Variables by Reference in Javascript
...
primitive type variables like strings and numbers are always passed by value.
Arrays and Objects are passed by reference or by value based on these conditions:
if you are setting the value of an object or array it is Pass by Value.
object1 = {prop: "ca...
AJAX post error : Refused to set unsafe header “Connection”
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@doug65536: Browsers don't validate header values, they simply disallow setting headers that you shouldn't mess with.
– Wladimir Palant
Dec 16 '13 at 6:41
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Is it safe to resolve a promise multiple times?
...er tries will do nothing (no error, no warning, no then invocation).
I decided to work it around like this:
getUsers(users => showThem(users));
getUsers(callback){
callback(getCachedUsers())
api.getUsers().then(users => callback(users))
}
just pass your function as a callback and ...