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How do I shuffle an array in Swift?
...rom: c, to: 1, by: -1)) {
// Change `Int` in the next line to `IndexDistance` in < Swift 4.1
let d: Int = numericCast(arc4random_uniform(numericCast(unshuffledCount)))
let i = index(firstUnshuffled, offsetBy: d)
swapAt(firstUnshuffled, i)
}
...
How to delete duplicates on a MySQL table?
...NORE TABLE `table_name` ADD UNIQUE (title, SID)
note: only works well if index fits in memory
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How do I convert an NSString value to NSData?
... edited Aug 5 '12 at 15:59
ldiqual
14k66 gold badges4545 silver badges8484 bronze badges
answered May 23 '09 at 11:34
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How to determine the first and last iteration in a foreach loop?
...more simplified version of the above and presuming you're not using custom indexes...
$len = count($array);
foreach ($array as $index => $item) {
if ($index == 0) {
// first
} else if ($index == $len - 1) {
// last
}
}
Version 2 - Because I have come to loathe using...
Undo part of unstaged changes in git
...ts you choose individual hunks from the diff between your working copy and index to revert. Likewise, git add -p allows you to choose hunks to add to the index, and git reset -p allows you to choose individual hunks from the diff between the index and HEAD to back out of the index.
$ git checkout -...
MySQL vs MongoDB 1000 reads
... lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
7 Answers
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Git SVN error: a Git process crashed in the repository earlier
...
The file in question is likely .git/index.lock and it should be safe to just remove it if you have no other git processes running. Make sure a git-svn command isn't hanging.
PS My usual approach to fixing git-svn problems is to make a fresh pull of the repos...
jquery: $(window).scrollTop() but no $(window).scrollBottom()
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@crashspringfield Actually that's a different question. This question is about placing things near the bottom of the viewport not the bottom of the page.
– iPherian
May 6 '17 at 0:45
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Two-dimensional array in Swift
...ccessing the elements in a multidimensional array, the left-most subscript index refers to the element at that index in the outermost array. The next subscript index to the right refers to the element at that index in the array that’s nested one level in. And so on. This means that in the example ...
NHibernate.MappingException: No persister for: XYZ
...uration..
If you're using app.config...
.
.
<property name="show_sql">true</property>
<property name="query.substitutions">true 1, false 0, yes 'Y', no 'N'</property>
<mapping assembly="Project.DomainModel"/> <!-- Here -->
</session-factory>
....