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Java Hashmap: How to get key from value?
If I have the value "foo" , and a HashMap<String> ftw for which ftw.containsValue("foo") returns true , how can I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that?
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Difference between “!==” and “==!” [closed]
... to the question: "a" ==! " " will be parsed to "a" == !" ". Negation of a string is covered by casting, meaning any string but "0" and " " is, when casted, true.
Thus, the expression "a" == !" " will get transferred:
"a" == !" "
"a" == !false
"a" == true
And, as string "a" is not the same as b...
Removing path and extension from filename in powershell
I have a series of strings which are full paths to files. I'd like to save just the filename, without the file extension and the leading path. So from this:
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How to avoid the “Circular view path” exception with Spring MVC test
...ks the following
if (path.startsWith("/") ? uri.equals(path) : uri.equals(StringUtils.applyRelativePath(uri, path))) {
throw new ServletException("Circular view path [" + path + "]: would dispatch back " +
"to the current handler URL [" + uri + "] again. Check your ViewR...
How to pass an object into a state using UI-router?
...3 but if I attempt to pass and object it comes out the in the state as the string [object Object]
– ErichBSchulz
Oct 2 '15 at 3:16
15
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Expand/collapse section in UITableView in iOS
...l = true
var itemsInSection: NSMutableArray = []
var sectionTitle: String?
init(itemsInSection: NSMutableArray, sectionTitle: String) {
self.itemsInSection = itemsInSection
self.sectionTitle = sectionTitle
}
}
3.in your tableview
import UIKit
class TableViewContr...
Pass Multiple Parameters to jQuery ajax call
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Don't use string concatenation to pass parameters, just use a data hash:
$.ajax({
type: 'POST',
url: 'popup.aspx/GetJewellerAssets',
contentType: 'application/json; charset=utf-8',
data: { jewellerId: filter, locale: '...
PHP Sort Array By SubArray Value
...optionNumber'] is an integer. Use @St. John Johnson's solution if they are strings.
In PHP ≥7.0, use the spaceship operator <=> instead of subtraction to prevent overflow/truncation problems.
usort($array, function ($a, $b) {
return $a['optionNumber'] <=> $b['optionNumber'];
})...
How to convert JSON to a Ruby hash
...fferent_access method so you could access the body with either symbols or strings.
value = '{"val":"test","val1":"test1","val2":"test2"}'
json = JSON.parse(value).with_indifferent_access
then
json[:val] #=> "test"
json["val"] #=> "test"
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Parsing domain from a URL
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Don’t forget to quote your strings like host and path.
– Gumbo
Dec 29 '09 at 11:02
1
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