大约有 40,000 项符合查询结果(耗时:0.0669秒) [XML]
Why is Swift compile time so slow?
...Well, it turned out that Rob Napier was right. It was one single file (actually one method) that was causing the compiler to go berzek.
Now don't get me wrong. Swift does recompile all your files each time, but the great thing now, is that Apple added real-time compilation feedback over the files i...
How to change the blue highlight color of a UITableViewCell?
...tyleGray, it will be gray.
Change the selectedBackgroundView property. Actually what creates the blue gradient is a view. You can create a view and draw what ever you like, and use the view as the background of your table view cells.
...
Calculate the execution time of a method
...ch as JITing) causes varying execution times to occur. Therefore, realistically, for accurate measurements, the OP should be using a performance profiler.
– Matthew Layton
Dec 24 '12 at 9:56
...
What is the fastest way to create a checksum for large files in C#
...me machines. The files can be up to 6GB in size. The sync will be done manually every few weeks. I cant take the filename into consideration because they can change anytime.
...
Memcache(d) vs. Varnish for speeding up 3 tier web architecture
...ache will provide info for pages that have a mixture of known and new data allowing you to generate pages faster.
An example that could apply to stackoverflow.com: adding this comment invalidated the page cache, so this page would have to be cleared from Varnish (and also my profile page, which pr...
`testl` eax against eax?
...s popular answer into a better canonical answer to "what's this TEST thing all about, and how is it different from CMP", which is sort of implied. See my own answer further down for comments about the semantic meaning of the synonymous JE and JZ. Please review my edit since it's pretty major, and ...
Convert string to variable name in JavaScript
...ontext. this is context, what it points to depends on how the function is called. In JS, 50% of the time this is window unless you enable strict mode and this becomes undefined and will throw an error. Scope is something completely different and it's not an object (except global scope which is mirro...
window.onload vs document.onload
....onload and fires when the DOM is ready as well.
document.onload
It is called when the DOM is ready which can be prior to images and other external content is loaded.
How well are they supported?
window.onload appears to be the most widely supported. In fact, some of the most modern browsers h...
What's the best practice to round a float to 2 decimals? [duplicate]
...tatistics in Java 2 years ago and I still got the codes of a function that allows you to round a number to the number of decimals that you want. Now you need two, but maybe you would like to try with 3 to compare results, and this function gives you this freedom.
/**
* Round to certain number of ...
How to set the width of a cell in a UITableView in grouped style
...her two are worse.
Adjust table view width in -viewWillAppear:
First of all, this is unreliable, the superview or parent view controller may adjust table view frame further after -viewWillAppear: is called. Of course, you can subclass and override -setFrame: for your UITableView just like what I ...