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Difference between val() and text()

...rText (not HTML) of all the matched elements: .text() The result is a string that contains the combined text contents of all matched elements. This method works on both HTML and XML documents. Cannot be used on input elements. For input field text use the val attribute. .val() G...
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“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()

...owing a dialog). eg. private class chkSubscription extends AsyncTask<String, Void, String>{ private final WeakReference<login> loginActivityWeakRef; public chkSubscription (login loginActivity) { super(); this.loginActivityWeakRef= new WeakReference<login >(loginAc...
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What is the proper #include for the function 'sleep()'?

... this is what I use for a cross-platform code: #ifdef _WIN32 #include <Windows.h> #else #include <unistd.h> #endif int main() { pollingDelay = 100 //do stuff //sleep: #ifdef _WIN32 Sleep(pollingDelay); #else usleep(pollingDelay*1000); /* sleep for 10...
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Change type of varchar field to integer: “cannot be cast automatically to type integer”

...y this, it will work for sure. When writing Rails migrations to convert a string column to an integer you'd usually say: change_column :table_name, :column_name, :integer However, PostgreSQL will complain: PG::DatatypeMismatch: ERROR: column "column_name" cannot be cast automatically to type i...
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What is the most efficient way to concatenate N arrays?

...w array that concatenates two existing arrays, it appears concat() is generally faster. For the case of concatenating an array onto an existing array in place, push() is the way to go. I updated my answer. – Tim Down Apr 22 '12 at 22:12 ...
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Why does PHP 5.2+ disallow abstract static class methods?

...2, I saw a load of strict standards warnings from a project that was originally written without strict warnings: 8 Answers ...
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]

...y key in the dictionary (check here for a solution for this case). Numbers/strings are safe. share | improve this answer | follow | ...
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Does Android keep the .apk files? if so where?

...ode out: public class Testing extends Activity { private static final String TAG = "TEST"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); File appsDir = new File("/data/app"); ...
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How to list the properties of a JavaScript object?

...wnProperty = Object.prototype.hasOwnProperty, hasDontEnumBug = !{toString:null}.propertyIsEnumerable("toString"), DontEnums = [ 'toString', 'toLocaleString', 'valueOf', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'constructor' ], ...
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How to present popover properly in iOS 8

... you talk to the view controller inside of it to set the content size, by calling the property preferredContentSize share | improve this answer | follow | ...