大约有 30,000 项符合查询结果（耗时：0.0235秒） [XML]
Replace a value in a data frame based on a conditional (`if`) statement
...r something simple. Adding levels can catch you out, say in modelling with predict() which will complain if factors levels in new data don't match those used to fit the model. Cleaner in long run to get the data formatted as you want, properly, than rely on short cuts. I agree it might be easier to ...
How to make a new List in Java
...based implementations might waste some memory on empty slots (when I can't predict the necessary capacity), for small collections this is is comparable to the overhead of all the node instances in a linked list (or deque). And in return, I get random access. What unique benefit does LinkedList provi...
Is a DIV inside a TD a bad idea?
... div in a td you will however get in a situation where it might be hard to predict how the elements will be sized. The default for a div is to determine its width from its parent, and the default for a table cell is to determine its size depending on the size of its content.
The rules for how a div...
How do I parse a URL into hostname and path in javascript?
...a simple function using a regexp that imitates the a tag behavior.
Pros
predictable behaviour (no cross browser issues)
doesn't need the DOM
it's really short.
Cons
The regexp is a bit difficult to read
-
function getLocation(href) {
var match = href.match(/^(https?\:)\/\/(([^:\/?#]*)(...
Algorithm to randomly generate an aesthetically-pleasing color palette [closed]
...g colors close together, and adjusting one variable changes the color in a predictable manner. None of that is true for RGB, where there's no obvious relationship between colors that "go well together".
share
|
...
How do I run a rake task from Capistrano?
...no 2.0 is a history and the next version is Rake based (making things more predictable hopefully)
– dolzenko
Oct 30 '13 at 8:42
add a comment
|
...
JavaScript property access: dot notation vs. brackets?
...acket notation is useful when dealing with
property names which vary in a predictable way:
for (var i = 0; i < 10; i++) {
someFunction(myForm["myControlNumber" + i]);
}
Roundup:
Dot notation is faster to write and clearer to read.
Square bracket notation allows access to properti...
Regex to replace multiple spaces with a single space
...ebug, if you think performance is an issue. Humans are notoriously bad at predicting where the bottlenecks in their programs lie.
(Also, note that IE 8's developer toolbar also has a profiler built in -- it might be worth checking what the performance is like in IE.)
...
MsDeploy is returning 403 forbidden
...r and deployment permissions etc.
after getting the error 'NOT FOUND' as predicted by Cihan Yakar
above, I had to change webdeploy (for me it required re-download search for 'WebDeploy_x64_en-US.msi')
enabling all options.
got a new error, always good, ERROR_USER_NOT_AUTHORIZED_FOR_CONTENTPATH. fo...
Is it possible to animate scrollTop with jQuery?
...on't see anything like that happening visually). I needed the value to be predictable, so that I could cancel the animation if the user grabbed the scroll bar or twirled the mousewheel during the auto-scroll.
Here is a function will animate scrolling smoothly:
function animateScrollTop(target, du...