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Is there an opposite of include? for Ruby Arrays?
...t adds the exclude? method to Array, Hash, and String. This is not pure Ruby, but is used by a LOT of rubyists.
Source: Active Support Core Extensions (Rails Guides)
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how to set cursor style to pointer for links without hrefs
...cursor:pointer;
}
</style>
also you can use the href="" attribute by returning false at the end of your javascript.
<a href="" onclick="doSomething(); return false;">a link</a>
this is good for many reasons. SEO or if people don't have javascript, the href="" will work. e.g.
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NameValueCollection vs Dictionary [duplicate]
...tionary consists of
a value and its associated key.
Retrieving a value by using its key is
very fast, close to O(1), because the
Dictionary<(Of <(TKey, TValue>)>)
class is implemented as a hash table.
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Call Javascript function from URL/address bar
... This leads to reflected cross-site scripting (XSS) issues as pointed out by @domenukk.
– pavanw3b
Aug 16 '16 at 5:31
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powershell - extract file name and extension
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If is from a text file and and presuming name file are surrounded by white spaces this is a way:
$a = get-content c:\myfile.txt
$b = $a | select-string -pattern "\s.+\..{3,4}\s" | select -ExpandProperty matches | select -ExpandProperty value
$b | % {"File name:{0} - Extension:{1}" -f $_....
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
...VERSION,
description = "App Inventor 2 剪贴板管理拓展。Powered by 中文网(www.fun123.cn)",
helpUrl = "https://www.fun123.cn/reference/extensions/", //点“帮助”跳转的页面
category = ComponentCategory.EXTENSION,
nonVisible = true, ...
Removing whitespace from strings in Java
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Does this mean we can overwrite the original string by writing for example: S = S.replaceAll("\\s", ""); whereas first the replacing will be done and then S will receive the characterstripped version of S
– frogeyedpeas
Mar 1 '14 at 17:57...
How do I get a platform-dependent new line character?
... @KonstantinWeitz, the problem of String.format(s + "%n") is easily solved by String.format("%s%n", s). It is always risky to involve user input as format body (in the same way as eval()).
– Franklin Yu
May 5 '16 at 4:11
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Remove the last character from a string [duplicate]
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@I-M Just replace $string by your data, and echo the whole thing: echo rtrim("a,b,c,d,e,", ",");
– anon
Apr 8 '11 at 9:18
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in javascript, how can i get the last character in a string [duplicate]
... in Javascript a string is a char array, you can access the last character by the length of the string.
var lastChar = myString[myString.length -1];
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