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jQuery Ajax POST example with PHP
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Yes, I understand that now. But I found many examples that always put a $(document).ready block around so that the example is self-contained. I wrote the comment for a future user who may, like me, stumble on this and end-up reading the comment thr...
Delete directories recursively in Java
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@Steve K, URL is now: svn.apache.org/viewvc/commons/proper/io/trunk/src/main/java/org/…
– Richard EB
Apr 12 '16 at 10:31
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How can building a heap be O(n) time complexity?
...t of the nodes we are calling siftDown from the bottom of the tree, we are now calling siftDown from the top of the tree on each iteration! Although the tree is shrinking, it doesn't shrink fast enough: The height of the tree stays constant until you have removed the first half of the nodes (when yo...
MySQL COUNT DISTINCT
... countVisits
, site_id As site
From cp_visits
Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
Group By site_id
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What does character set and collation mean exactly?
...ation
of all four letters and their
encodings is a character set.
Now, suppose that we want to compare
two string values, 'A' and 'B'. The
simplest way to do this is to look at
the encodings: 0 for 'A' and 1 for
'B'. Because 0 is less than 1, we say
'A' is less than 'B'. Now, what...
Function overloading by return type?
...nt join " ", localtime(); # printed "58 11 2 14 0 109 3 13 0" for me right now
print scalar localtime(); # printed "Wed Jan 14 02:12:44 2009" for me right now.
Every operator in Perl does something in scalar context and something in list context, and they may be different, as illustrated. (This i...
git pull VS git fetch Vs git rebase
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How do you know if someone has pulled from your master branch?
– Frank
Aug 7 '12 at 5:47
31
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How to get a json string from url?
...em.Net.WebClient()) {
var json = webClient.DownloadString(URL);
// Now parse with JSON.Net
}
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Consistency of hashCode() on a Java string
... you shouldn't rely on a hash code implementation remaining the same, it's now documented behaviour for java.lang.String, so changing it would count as breaking existing contracts.
Wherever possible, you shouldn't rely on hash codes staying the same across versions etc - but in my mind java.lang.St...
Loading existing .html file with android WebView
...id_res/raw/myfile.html"); works only on API level 8. But it doesn't matter now.
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