大约有 40,000 项符合查询结果（耗时：0.0578秒） [XML]
Check if my app has a new version on AppStore
...Dictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString* appID = infoDictionary[@"CFBundleIdentifier"];
NSURL* url = [NSURL URLWithString:[NSString stringWithFormat:@"http://itunes.apple.com/lookup?bundleId=%@", appID]];
NSData* data = [NSData dataWithContentsOfURL:...
How do I remove the space between inline/inline-block elements?
...e browsers, and applying display: inline-flex still doesn't get rid of the extra whitespace, even on a browser that does support it!
– patrick
Jun 19 '16 at 21:50
...
How to get HTML 5 input type=“date” working in Firefox and/or IE 10
...d it already -->
<script src="http://cdn.jsdelivr.net/webshim/1.12.4/extras/modernizr-custom.js"></script>
<!-- polyfiller file to detect and load polyfills -->
<script src="http://cdn.jsdelivr.net/webshim/1.12.4/polyfiller.js"></script>
<script>
webshims.set...
cancelling queued performSelector:afterDelay calls
...erformSelector
cancelPreviousPerformRequestsWithTarget
(Just to make it extra hard to remember, without searching the docs.)
share
|
improve this answer
|
follow
...
typeof for RegExp
...vital methods or properties, or by its internal class value (by using {}.toString.call(instaceOfMyObject)).
share
|
improve this answer
|
follow
|
...
jQuery: checking if the value of a field is null (empty)
...
The value of a field can not be null, it's always a string value.
The code will check if the string value is the string "NULL". You want to check if it's an empty string instead:
if ($('#person_data[document_type]').val() != ''){}
or:
if ($('#person_data[document_type]')....
Calling parent class __init__ with multiple inheritance, what's the right way?
...ing super() leads to greater flexibility for subclasses.
In the direct call approach, C.__init__ can call both A.__init__ and B.__init__.
When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call supe...
What's the difference between setWebViewClient vs. setWebChromeClient?
...y your WebView. It has various properties you can set, like the user agent string and text size.
After that, you configure your WebViewClient. WebViewClient is an event interface. By providing your own implementation of WebViewClient, you can respond to rendering events. For example, you could detec...
How can I put a ListView into a ScrollView without it collapsing?
... in charge of ListView for the past 2 or 3 years :) ListView does a lot of extra work to optimize the use of adapters. Trying to work around it will still cause ListView to do a lot of work a LinearLayout wouldn't have to do. I won't go into the details because there's not enough room here to explai...
Check if a given key already exists in a dictionary
...
this also avoids an extra allocation. (important for making tight loops a bit faster)
– nurettin
Dec 9 '18 at 9:19
add a...