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Get next / previous element using JavaScript?
... page
var selectionDiv = document.getElementById("MySecondDiv");
So basically with selectionDiv iterate through the collection to find its index, and then obviously -1 = previous +1 = next within bounds
for(var i = 0; i < divs.length;i++)
{
if(divs[i] == selectionDiv)
{
var previous...
In Java 8 how do I transform a Map to another Map using a lambda?
...rEach((s, integer) -> map2.put(s, integer));
And because we're just calling an existing method we can use a method reference, which gives us:
map.forEach(map2::put);
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Is it possible to “await yield return DoSomethingAsync()”
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What you are describing can be accomplished with the Task.WhenAll method. Notice how the code turns into a simple one-liner. What happens is that each individual url begins downloading and then WhenAll is used combine those operations into a single Task which can be awaited.
Task<IE...
Reading ePub format
...k like (a subset of XHTML 1.1 + CSS)
one to define a "manifest" that lists all of the files that make up that content (OPF, which is an XML file)
one to define how everything is packaged up (OEBPS: a zip file of everything in the manifest plus a few extra files)
The specs look a bit daunting but a...
How can I force WebKit to redraw/repaint to propagate style changes?
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All you need to do is read a size property, you dont need to change it back and forth.
– Andrew Bullock
Aug 6 '13 at 13:57
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
...ng SSMS make sure the option Retain CR/LF on copy or save is checked, else all pasted results will loose the line feed. You find this at settings, query results, sql server, results to grid.
– Don Cheadle
May 16 '19 at 20:18
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Counting the number of True Booleans in a Python List
... count method:
>>> [True,True,False].count(True)
2
This is actually more efficient than sum, as well as being more explicit about the intent, so there's no reason to use sum:
In [1]: import random
In [2]: x = [random.choice([True, False]) for i in range(100)]
In [3]: %timeit x.count(T...
Cleanest way to build an SQL string in Java
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First of all consider using query parameters in prepared statements:
PreparedStatement stm = c.prepareStatement("UPDATE user_table SET name=? WHERE id=?");
stm.setString(1, "the name");
stm.setInt(2, 345);
stm.executeUpdate();
The ...
How can I set the default value for an HTML element?
...ers. I find it handy to be able to use XPath/XSLT on web documents occasionally.
– Borealid
Nov 13 '14 at 19:24
70
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The Role Manager feature has not been enabled
...tried putting it in Application_Start and it says This method can only be called during the application's pre-start initialization phase.
– Maslow
May 8 '13 at 15:17
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