大约有 40,000 项符合查询结果（耗时：0.0445秒） [XML]
Check if application is on its first run [duplicate]
... This will not work if app has set android:allowBackup="true" (which is by default set to true) and sharedpreference is restored on install after uninstall while backup is enabled on device. So also make sure to set android:allowBackup="false" in AndroidManifest.xml.
– Ashwi...
How to set margin of ImageView using code, not xml
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android.view.ViewGroup.MarginLayoutParams has a method setMargins(left, top, right, bottom). Direct subclasses are: FrameLayout.LayoutParams, LinearLayout.LayoutParams and RelativeLayout.LayoutParams.
Using e.g. LinearLayout:
Li...
Android 4.2: back stack behaviour with nested fragments
...() . When using getChildFragmentManager() and addToBackStack(String name), by pressing the back button the system does not run down the back stack to the previous fragment.
On the other hand, when using getFragmentManager() and addToBackStack(String name), by pressing the back button the system r...
Using a constant NSString as the key for NSUserDefaults
...nother file. see Constants in Objective-C for more information. To explain by example, this is what I currently use for keys that I only need to use in one .m file:
static NSString * const kSomeLabel = @"...";
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Creating default object from empty value in PHP?
... exists, unless you are absolutely sure that it doesn't. The code provided by Michael is no good in general, because in some contexts the object might sometimes be already defined at the same place in code, depending on circumstances.
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base64 encoded images in email signatures
...ignatures. I've had all sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received).
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How to get the second column from command output?
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Yup, this works. Thanks a lot, Alex! By the way, so many quotes, :)
– Qiang Xu
Apr 21 '13 at 23:06
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View git history for folder
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How to join NSArray elements into an NSString?
...ray * stuff = /* ... */;
NSString * combinedStuff = [stuff componentsJoinedByString:@"separator"];
This is the inverse of -[NSString componentsSeparatedByString:].
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How to get a cross-origin resource sharing (CORS) post request working
... to trigger a file conversion on demand. The file conversion is triggered by a AJAX POST request from the page served from the XBMC server.
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