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Invoking a static method using reflection
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If the underlying method is static, then the specified obj argument is ignored. It may be null.
What happens when you
Class klass = ...;
Method m = klass.getDeclaredMethod(methodName, paramtypes);
m.invoke(null, args)
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How do I size a UITextView to its content?
Is there a good way to adjust the size of a UITextView to conform to its content? Say for instance I have a UITextView that contains one line of text:
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what are the .map files used for in Bootstrap 3.x?
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From Working with CSS preprocessors in Chrome DevTools:
Many developers generate CSS style sheets using a CSS preprocessor, such as Sass, Less, or Stylus. Because the CSS files are generated, editing the CSS files directly is not ...
How do I remove objects from a JavaScript associative array?
...To remove a property from an object in JavaScript you use the delete operator:
const o = { lastName: 'foo' }
o.hasOwnProperty('lastName') // true
delete o['lastName']
o.hasOwnProperty('lastName') // false
Note that when delete is applied to an index property of an Array, you will create a sparsel...
How can I rename a database column in a Ruby on Rails migration?
I wrongly named a column hased_password instead of hashed_password .
26 Answers
26
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{version} wildcard in MVC4 Bundle
...4 we have bundles. While defining the bundles we can use wildcards like * for all files in a folder.
3 Answers
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What difference is there between WebClient and HTTPWebRequest classes in .NET?
...raction built on top of HttpWebRequest to simplify the most common tasks. For instance, if you want to get the content out of an HttpWebResponse, you have to read from the response stream:
var http = (HttpWebRequest)WebRequest.Create("http://example.com");
var response = http.GetResponse();
var st...
How to escape special characters in building a JSON string?
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A JSON string must be double-quoted, according to the specs, so you don't need to escape '.
If you have to use special character in your JSON string, you can escape it using \ character.
See this list of special character used in JSON :
\b Backspace (ascii code ...
make arrayList.toArray() return more specific types
So, normally ArrayList.toArray() would return a type of Object[] ....but supposed it's an
Arraylist of object Custom , how do I make toArray() to return a type of Custom[] rather than Object[] ?
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For files in directory, only echo filename (no path)
How do I go about echoing only the filename of a file if I iterate a directory with a for loop?
5 Answers
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