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Convert integer into byte array (Java)
... BigInteger.valueOf(0xAABBCCDD).toByteArray();
System.out.println(Arrays.toString(array))
// --> {-86, -69, -52, -35 }
The returned array is of the size that is needed to represent the number, so it could be of size 1, to represent 1 for example. However, the size cannot be more than four byte...
JavaScript to scroll long page to DIV
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If you don't want to add an extra extension the following code should work with jQuery.
$('a[href=#target]').
click(function(){
var target = $('a[name=target]');
if (target.length)
{
var top = target.offset().top...
IntelliJ inspection gives “Cannot resolve symbol” but still compiles code
...ehow didn't clear out the old .iml files under .idea/modules. Delete those extra .iml file and rebuild the project fixed the issue.
– Chen
Dec 14 '18 at 16:10
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How do Mockito matchers work?
...dummy value, like 0 for anyInt() or any(Integer.class) or an empty List<String> for anyListOf(String.class). Because of type erasure, though, Mockito lacks type information to return any value but null for any() or argThat(...), which can cause a NullPointerException if trying to "auto-unbox" ...
Catching an exception while using a Python 'with' statement
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@ncoghlan But you can add extra try...except blocks inside with to be closer to the source of an exception that doesn't have anything to do with open().
– rbaleksandar
May 19 '17 at 14:44
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MongoDB: Combine data from multiple collections into one..how?
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Thanks @rmarscher your extra details really helped me to better understand everything.
– benstr
Nov 10 '14 at 21:29
5
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Keep overflow div scrolled to bottom unless user scrolls up
... You can get around needing to reverse the content by adding an extra wrapper, and applying overflow:auto; display:flex; flex-direction:column-reverse; to the outer wrapper instead of the inner wrapper.
– Nathan Arthur
Sep 8 '17 at 15:10
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How to convert TimeStamp to Date in Java?
...s").parse("01/01/1970 01:00:00").getTime() / 1000;
Or the opposite:
String date = new java.text.SimpleDateFormat("MM/dd/yyyy HH:mm:ss").format(new java.util.Date (epoch*1000));
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impro...
ListView item background via custom selector
...t write android:listSelector="@android:color/transparent". No need for the extra list_selector.xml.
– Sofi Software LLC
Sep 30 '13 at 22:12
1
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How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
...seen this approach, and is the reference I was hoping to find. Better with extra CSS to match hidden select's size to trigger (button, img, div, etc)... 1) Ensures clickable region fills trigger 2) Menu opens directly below trigger. Note: Might also need to add a z-index to ensure the clickable regi...