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What is Data Transfer Object?

...attern. Another use for DTOs can be to encapsulate parameters for method calls. This can be useful if a method takes more than 4 or 5 parameters. When using the DTO pattern, you would also make use of DTO assemblers. The assemblers are used to create DTOs from Domain Objects, and vice versa. The ...
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Updating the list view when the adapter data changes

...tView.setAdapter(adapter); and after updating the value of a list item, call: adapter.notifyDataSetChanged(); share | improve this answer | follow | ...
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How do I set a textbox's text to bold at run time?

... RegisterEvents(); } private void RegisterEvents() { _tboTest.TextChanged += new EventHandler(TboTest_TextChanged); } private void TboTest_TextChanged(object sender, EventArgs e) { // Change the text to bold on specified condition if (_tboTest.Text....
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Is it possible to change the textcolor on an Android SearchView?

...ans using reflection. Also works with appcompat. – dj_bushido Jan 3 '15 at 22:44 You can also set android:theme on the...
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How can I find a specific element in a List?

... setter methods (as you might be used to from Java), write private string _id; public string Id { get { return _id; } set { _id = value; } } value is a contextual keyword known only in the set accessor. It represents the value assigned to the property. Sin...
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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)

...Pandas Index itself: df3 = df3[~df3.index.duplicated(keep='first')] While all the other methods work, the currently accepted answer is by far the least performant for the provided example. Furthermore, while the groupby method is only slightly less performant, I find the duplicated method to be mor...
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Generate random password string with requirements in javascript

... you care about ancient browsers. Maintainable is mostly about the RegExp _pattern as an easy way to define what character classes you allow in the password. But also about the 3 things where each does its job: defines a pattern, gets a random byte as securely as possible, provides a public API to ...
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Custom Drawable for ProgressBar/ProgressDialog

...e following for creating a custom progress bar. File res/drawable/progress_bar_states.xml declares the colors of the different states: <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@android:id/background"> <shape> ...
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How do I create a URL shortener?

...two character checksum to the url. That would prevent direct iteration of all the urls in your system. Something simple like f(checksum(id) % (62^2)) + f(id) = url_id – koblas Sep 4 '10 at 13:53 ...
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How to check whether a file or directory exists?

...iven file or directory exists func exists(path string) (bool, error) { _, err := os.Stat(path) if err == nil { return true, nil } if os.IsNotExist(err) { return false, nil } return false, err } Edited to add error handling. ...