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How do I make and use a Queue in Objective-C?
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NSArray (and NSMutableArray by extension) is a class cluster, meaning it has several private implementations that may be used interchangeably behind the scenes. The one you get usually depends on the number of elements. Also, Apple is free to change the...
Setting CSS pseudo-class rules from JavaScript
... an inline style="..." attribute (as there is no selector).
You can do it by altering the stylesheet, for example by adding the rule:
#elid:hover { background: red; }
assuming each element you want to affect has a unique ID to allow it to be selected.
In theory the document you want is http://w...
What does LayoutInflater in Android do?
...defined in the xml of the row */
TextView name = (TextView) view.findViewById(R.id.name);
/* Populate the row's xml with info from the item */
name.setText(myObject.getName());
/* Return the generated view */
return view;
}
Read more in the official documentation.
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How to open the Google Play Store directly from my Android application?
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Go on Android Developer official link as tutorial step by step see and got the code for your application package from play store if exists or play store apps not exists then open application from web browser.
Android Developer official link
https://developer.android.com/distrib...
Update one MySQL table with values from another
... imageUploader: {
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How do I convert a String object into a Hash object?
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The string created by calling Hash#inspect can be turned back into a hash by calling eval on it. However, this requires the same to be true of all of the objects in the hash.
If I start with the hash {:a => Object.new}, then its string repr...
quick random row selection in Postgres
... need to first do a SELECT COUNT(*) to figure out the value of N.
Update (by Antony Hatchkins)
You must use floor here:
SELECT myid FROM mytable OFFSET floor(random()*N) LIMIT 1;
Consider a table of 2 rows; random()*N generates 0 <= x < 2 and for example SELECT myid FROM mytable OFFSET 1....
How to sign an android apk file
...ystore once and use it to sign your unsigned apk.
Use the keytool provided by the JDK found in %JAVA_HOME%/bin/
keytool -genkey -v -keystore my.keystore -keyalg RSA -keysize 2048 -validity 10000 -alias app
Step 2 or 4: Zipalign
zipalign which is a tool provided by the Android SDK found in e.g. %...
Button in a column, getting the row from which it came on the Click event handler
... imageUploader: {
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Encoding Javascript Object to Json string
... 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...