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How to print a float with 2 decimal places in Java?
...an use the printf method, like so:
System.out.printf("%.2f", val);
In short, the %.2f syntax tells Java to return your variable (val) with 2 decimal places (.2) in decimal representation of a floating-point number (f) from the start of the format specifier (%).
There are other conversion charact...
How to define a circle shape in an Android XML drawable file?
...me problems finding the documentation of the definitions of shapes in XML for Android. I would like to define a simple circle filled with a solid color in an XML File to include it into my layout files.
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How to randomize two ArrayLists in the same fashion?
...ated to "e1.jpg". How to automatically randomized the list of imgList according to the randomization of fileList ? Like in excel, if we sort certain column, the other column will automatically follow?
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How to bind Events on Ajax loaded Content?
...
Use event delegation for dynamically created elements:
$(document).on("click", '.mylink', function(event) {
alert("new link clicked!");
});
This does actually work, here's an example where I appended an anchor with the class .mylink instea...
Return index of greatest value in an array
...
This is probably the best way, since it’s reliable and works on old browsers:
function indexOfMax(arr) {
if (arr.length === 0) {
return -1;
}
var max = arr[0];
var maxIndex = 0;
for (var i = 1; i < arr.length; i++) {
if (arr[i] > max) {...
How to install latest version of Node using Brew
...ou run brew update first? If you don't do that, Homebrew can't update its formulas, and if it doesn't update its formulas it doesn't know how to install the latest versions of software.
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Can I get JSON to load into an OrderedDict?
Ok so I can use an OrderedDict in json.dump . That is, an OrderedDict can be used as an input to JSON.
6 Answers
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JavaScript % (modulo) gives a negative result for negative numbers
According to Google Calculator (-13) % 64 is 51 .
11 Answers
11
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How to put space character into a string name in XML?
...160;. XML won't take white space as it is. it will trim the white space before setting it. So use &#160; instead of single white space
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Convert JSON String to Pretty Print JSON output using Jackson
...ng(json);
this avoids your having to define actual POJO to map data to.
Or you can use JsonNode (JSON Tree) as well.
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