大约有 47,000 项符合查询结果（耗时：0.0580秒） [XML]
How can I programmatically get the MAC address of an iphone
... i just wonder if this is any different from a generic OS X approach (i'm asking because i'm a mac n00b)
– Tamas Czinege
Mar 24 '09 at 14:59
2
...
How do I automatically scroll to the bottom of a multiline text box?
... entry (the newest one) whenever a new line is added.
If you use TextBox.AppendText(string text), it will automatically scroll to the end of the newly appended text. It avoids the flickering scrollbar if you're calling it in a loop.
It also happens to be an order of magnitude faster than concaten...
How to force a view refresh without having it trigger automatically from an observable?
...circumstances it might be useful to simply remove the bindings and then re-apply:
ko.cleanNode(document.getElementById(element_id))
ko.applyBindings(viewModel, document.getElementById(element_id))
share
|
...
How to get orientation-dependent height and width of the screen?
...'m trying to programmatically determine the current height and width of my application. I use this:
11 Answers
...
RegEx backreferences in IntelliJ
... of information that solved my related problem: i'm replacing quote-plus wrappers around variables with dollar-curly wrappers, ie, '+ var +' to ${var} in some template strings and couldn't figure out why intellij wouldn't finish the replacement. turns out $ needs to be escaped in the replacement.
...
How to trigger a phone call when clicking a link in a web page on mobile phone
...r future reference: on OS X Yosemite and up, this will launch the Facetime app and, if the user has an iPhone, lets them actually call with their desktop/laptop.
– Jeff Huijsmans
Jun 10 '15 at 10:50
...
Prevent ViewPager from destroying off-screen views
...to a FragmentPagerAdapter that's displaying three fragments. The ViewPager appears to destroy a hosted fragment's view when it is more than one swipe away from the current position.
...
How can I change a secret Gist to public?
...his one is from the GitHub site. But if I had to guess, I would say itunes.apple.com/us/app/gifgrabber/id668208984?mt=12 (Mac) or screentogif.codeplex.com (Windows)
– VonC
Jan 12 '16 at 5:37
...
Why are joins bad when considering scalability?
...em through de-normalisation but if used correctly (joining on columns with appropriate indexes an so on) they are not inherently slow.
De-normalisation is one of many optimisation techniques you can consider if your well designed database schema exhibits performance problems.
...
In CoffeeScript how do you append a value to an Array?
What is the prescribed way to append a value to an Array in CoffeeScript? I've checked the PragProg CoffeeScript book but it only discusses creating, slicing and splicing, and iterating, but not appending.
...