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What's the best practice to round a float to 2 decimals? [duplicate]
...nd(float d, int decimalPlace) {
BigDecimal bd = new BigDecimal(Float.toString(d));
bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
return bd.floatValue();
}
You need to decide if you want to round up or down. In my sample code I am rounding up.
Hope it helps.
EDIT
If you w...
How do I convert Long to byte[] and back in java
...ose();
return result;
}
public static void main (String[] args) throws java.lang.Exception
{
long l=123456L;
byte[] b=long2byte(l);
System.out.println(l+": "+byte2long(b));
}
}
Works for other primitives accordingly.
Hi...
Bootstrap 3: Keep selected tab on page refresh
...
You may want to add string bracket on the selector, like 'a[href="' + location.hash + '"]' . Stumbled upon a syntax error.
– asdacap
Feb 2 '16 at 10:16
...
Html.BeginForm and adding properties
... htmlHelper.BeginForm(null, null, FormMethod.Post,
new Dictionary<string, object>() { { "enctype", "multipart/form-data" } });
}
Usage then just becomes
<% using(Html.BeginMultipartForm()) { %>
share
...
Pure JavaScript Send POST Data Without a Form
...);
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.send(JSON.stringify({
value: value
}));
By the way, for get request:
var xhr = new XMLHttpRequest();
// we defined the xhr
xhr.onreadystatechange = function () {
if (this.readyState != 4) return;
if (this.status == 200...
Is it possible to create a remote repo on GitHub from the CLI without opening browser?
...ings, look for Administrative Information and API Token (32 character long string).
– anddoutoi
Mar 11 '10 at 20:58
1
...
Shrink a YouTube video to responsive width
..." height="9")
Waits until document is ready before resizing
Uses jQuery substring *= selector instead of start of string ^=
Gets reference width from video iframe parent instead of predefined element
Javascript solution
No CSS
No wrapper needed
Thanks to @Dampas for starting point.
https://stackov...
How can I do division with variables in a Linux shell?
...tor in case statements than it can't resolve it.
In that case use simple strings like div or devide or something else.
See the code
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...
Multiple file upload in php
...sure to look for empty file names and paths, the array might contain empty strings. Use array_filter() before count.
Here is a down and dirty example (showing just relevant code)
HTML:
<input name="upload[]" type="file" multiple="multiple" />
PHP:
//$files = array_filter($_FILES['upload...
How can I ask the Selenium-WebDriver to wait for few seconds in Java?
...gt;() {
@Override
public Boolean apply(WebDriver driver) {
String script = "if (typeof window != 'undefined' && window.document) { return window.document.readyState; } else { return 'notready'; }";
Boolean result;
try {
result = ((JavascriptExecuto...