大约有 5,475 项符合查询结果(耗时:0.0202秒) [XML]
Find the most frequent number in a numpy vector
...()[0][0]
3
>>> %timeit collections.Counter(a).most_common()[0][0]
100000 loops, best of 3: 11.3 µs per loop
>>>
>>> import numpy
>>> numpy.bincount(a).argmax()
3
>>> %timeit numpy.bincount(a).argmax()
100 loops, best of 3: 2.84 ms per loop
>>> ...
How do you change the width and height of Twitter Bootstrap's tooltips?
...hat size on up. This is what I recommend:
.tooltip-inner {
min-width: 100px;
max-width: 100%;
}
The min-width declares a starting size. As opposed to the max-width, as some other would suggest, which it declares a stopping width. According to your question, you shouldn't declare a final ...
How to remove “Server name” items from history of SQL Server Management Studio
... and Settings\<USER>\Application Data\Microsoft\Microsoft SQL Server\100\Tools\Shell\SqlStudio.bin
How to clear the list:
Shut down all instances of SSMS
Delete/Rename the file
Open SSMS
This request is registered on Microsoft Connect
...
Error: “The sandbox is not in sync with the Podfile.lock…” after installing RestKit with cocoapods
... answered Jul 7 '15 at 9:20
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Change URL parameters
...console
jQuery.param.querystring(window.location.href, 'a=3&newValue=100');
It will return you the following amended url string
http://benalman.com/code/test/js-jquery-url-querystring.html?a=3&b=Y&c=Z&newValue=100#n=1&o=2&p=3
Notice the a querystring value for a has ...
How might I find the largest number contained in a JavaScript array?
...ss you're talking millions of indices.
Average results of five runs with a 100,000-index array of random numbers:
reduce took 4.0392 ms to run
Math.max.apply took 3.3742 ms to run
sorting and getting the 0th value took 67.4724 ms to run
Math.max within reduce() took 6.5804 ms to run
custom findmax ...
vertical-align with Bootstrap 3
...my-auto. This will center the element within its container. For example, h-100 makes the row full height, and my-auto will vertically center the col-sm-12 column.
<div class="row h-100">
<div class="col-sm-12 my-auto">
<div class="card card-block w-25">Card</div>...
AWS MySQL RDS vs AWS DynamoDB [closed]
...ry about managing a clustered data store. So if your application requires 1000 reads/writes per second, you can just provision your DynamoDB table for that level of throughput and not really have to worry about the underlying infrastructure.
RDS has much of the same benefit of not having to worry ...
How does database indexing work? [closed]
... 50 bytes
lastName Char(50) 50 bytes
emailAddress Char(100) 100 bytes
Note: char was used in place of varchar to allow for an accurate size on disk value.
This sample database contains five million rows and is unindexed. The performance of several queries will now be anal...
Multithreading: What is the point of more threads than cores?
...hey 'steal time from each other', but only if each individual thread needs 100% CPU. If a thread is not working 100% (as a UI thread might not be, or a thread doing a small amount of work or waiting on something else) then another thread being scheduled is actually a good situation.
It's actually ...