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Does “untyped” also mean “dynamically typed” in the academic CS world?
...avaScript such that some variable x could be a number, or a function, or a string, or something else (and determining which one would require solving the Halting Problem or some hard mathematical problem), so you can apply x to an argument and the browser has to check at runtime that x is a function...
Rails Model, View, Controller, and Helper: what goes where?
...he model (it treats the model as it's data in the same way you might treat strings and arrays as data in objects outside of Rails). Here's a good video with an example of this technique.
– Joshua Cheek
Dec 15 '11 at 11:13
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Generate a UUID on iOS from Swift
In my iOS Swift app I want to generate random UUID ( GUID ) strings for use as a table key, and this snippet appears to work:
...
Is duplicated code more tolerable in unit tests?
...ps you need some Custom Assertions. For example, if multiple tests have a string of assertions like:
assertEqual('Joe', person.getFirstName())
assertEqual('Bloggs', person.getLastName())
assertEqual(23, person.getAge())
Then perhaps you need a single assertPersonEqual method, so that you can wri...
Watermark / hint text / placeholder TextBox
... if (c is ComboBox)
{
return (c as ComboBox).Text == string.Empty;
}
else if (c is TextBoxBase)
{
return (c as TextBox).Text == string.Empty;
}
else if (c is ItemsControl)
{
return (c as ItemsControl).Items...
Xcode 4 - build output directory
... grep SYMROOT | cut -d "=" -f 2 - | sed 's/^ *//'
The last part cuts the string at the equal sign and then trims the whitespace at the beginning.
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What is the difference between JDK and JRE?
...e from a debugging perspective:
To debug into Java system classes such as String and ArrayList, you need a special version of the JRE which is compiled with "debug information". The JRE included inside the JDK provides this info, but the regular JRE does not. Regular JRE does not include this info ...
Boolean Field in Oracle
... guess i should say double length twos complement floating point), Binary, string, etc. all assume a value is provided but database implementations always add a null value option Boolean isn't any different
– MikeT
Oct 7 '13 at 8:50
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Key existence check in HashMap
...transactions of 100 and 200 to checking_account you can write:
HashMap<String, ArrayList<Integer>> map = new HashMap<>();
map.computeIfAbsent("checking_account", key -> new ArrayList<>())
.add(100)
.add(200);
This way you don't have to check to see if the key chec...
Are getters and setters poor design? Contradictory advice seen [duplicate]
...efinition imuttable is when you can't change it's value after created like String for example. So this in your example it's a bug Look at C# or language supoorting properties.
– Sidi
Jul 26 '11 at 20:39
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