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get string value from HashMap depending on key name
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Just use Map#get(key) ?
Object value = map.get(myCode);
Here's a tutorial about maps, you may find it useful: http://java.sun.com/docs/books/tutorial/collections/interfaces/map.html.
Edit: you edited your question with the following:
I'm expecting to see a String, such as "ABC" or "DEF" ...
Detect whether there is an Internet connection available on Android [duplicate]
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The getActiveNetworkInfo() method of ConnectivityManager returns a NetworkInfo instance representing the first connected network interface it can find or null if none of the interfaces are connected. Checking if this method returns null shoul...
jQuery DataTables: control table width
... how DataTables with scrolling can be used together
with jQuery UI tabs (or indeed any other method whereby the table is
in a hidden (display:none) element when it is initialised). The reason
this requires special consideration, is that when DataTables is
initialised and it is in a hidden el...
call a static method inside a class?
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self::staticMethod();
More information about the Static keyword.
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Android adb “Unable to open sync connection!”
...e just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
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Formatting a number with exactly two decimals in JavaScript
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To format a number using fixed-point notation, you can simply use the toFixed method:
(10.8).toFixed(2); // "10.80"
var num = 2.4;
alert(num.toFixed(2)); // "2.40"
Note that toFixed() returns a string.
IMPORTANT: Note that toFi...
Render HTML to an image
...ble with canvas but I would like to render standard html element like div for example.
16 Answers
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How to remove leading and trailing zeros in a string? Python
...y interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
You could use some list comprehension to get the sequences you want like so:
trailing_removed = [s.rstrip("0") for s in listOfNum]
leading_removed = [s.lstrip("0") for s i...
Reason to Pass a Pointer by Reference in C++?
...o similar to a pointer of a pointer, except one less level of indirection for pass-by-reference semantics?
– user166390
Apr 20 '12 at 4:15
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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
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There are multiple reasons why the C compiler cannot automatically reorder the fields:
The C compiler doesn't know whether the struct represents the memory structure of objects beyond the current compilation unit (for example: a foreign library, a file on disc, network data, CPU page tables,...