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Is a Java hashmap search really O(1)?
...someone explain why this is so? Unless these hashmaps are vastly different from any of the hashing algorithms I was bought up on, there must always exist a dataset that contains collisions.
...
Wait until all jQuery Ajax requests are done?
...ajax1() {
// NOTE: This function must return the value
// from calling the $.ajax() method.
return $.ajax({
url: "someUrl",
dataType: "json",
data: yourJsonData,
...
});
}
In my opinion, it makes for a clean and clear syntax, an...
Margin-Top push outer div down
...feeling it has something to do with how margins are collapsed (combined).
from W3C Collapsing Margins:
In this specification, the expression
collapsing margins means that
adjoining margins (no non-empty
content, padding or border areas or
clearance separate them) of two or
more boxe...
Find object in list that has attribute equal to some value (that meets any condition)
...x for x in test_list if x.value == value), None)
This gets the first item from the list that matches the condition, and returns None if no item matches. It's my preferred single-expression form.
However,
for x in test_list:
if x.value == value:
print("i found it!")
break
The na...
How can I print the contents of a hash in Perl?
...
Sorry, down vote from me for stuff that hijacks comments for actual functionality. A maintenance programmer could spend all day trying to work out why code like that was printing out unexpected stuff.
– MikeKulls
...
What's the right way to decode a string that has special HTML entities in it? [duplicate]
Say I get some JSON back from a service request that looks like this:
7 Answers
7
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What exactly are unmanaged resources?
...ts job.In the managed world, Microsoft has hidden a lot of unmanaged stuff from you by implementing the dispose pattern. Managed code doesn't mean it doesn't use unmanaged resources. However, Microsoft has done a good job of implementing IDisposable on those types of objects. This is evidenced by th...
Find out if ListView is scrolled to the bottom?
... your calculation stuff here. You have all your
// needed info from the parameters of this function.
// Sample calculation to determine if the last
// item is fully visible.
final int lastItem = firstVisibleItem + visibleItemCount;
if(la...
How do you build a Singleton in Dart?
...instead of a top level getter.
Also read Bob Nystrom's take on singletons from his Game programming patterns book.
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Maven is not working in Java 8 when Javadoc tags are incomplete
... That's correct. I would like to notify that during migration from maven 2 to maven 3, don't forget that this plugin tag should not be included to reporting tag but directly to pluginManagement (pom.xml)
– dimeros
Nov 15 '18 at 10:27
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