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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
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well done for being the only one (of 5 I can see) who actually pointed out what was wrong with the code presented. +1
– Mike Woodhouse
Nov 26 '09 at 11:12
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Close virtual keyboard on button press
...is the keyboard showing up after a click on an irrelevant button ? can someone provide some explanation or a link ?
– kommradHomer
Jan 25 '16 at 11:22
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How can I find an element by CSS class with XPath?
...ion to clean up stray whitespace characters around the class name (as mentioned by @Terry):
//div[contains(concat(' ', normalize-space(@class), ' '), ' Test ')]
Note that in all these versions, the * should best be replaced by whatever element name you actually wish to match, unless you wish to ...
How to reorder data.table columns (without copying)
... is made at all, other than temporary working memory, which is as large as one column.
so should be pretty efficient. See ?setcolorder for details.
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Hexadecimal To Decimal in Shell Script
Can someone help me to convert a hexadecimal number to decimal number in a shell script?
6 Answers
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How do you do Impersonation in .NET?
...an often get lengthy though and that is why you see many examples like the one you reference that try to simplify the process.
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Difference between clustered and nonclustered index [duplicate]
...eed to keep two issues apart:
1) the primary key is a logical construct - one of the candidate keys that uniquely and reliably identifies every row in your table. This can be anything, really - an INT, a GUID, a string - pick what makes most sense for your scenario.
2) the clustering key (the colu...
Calculate RSA key fingerprint
...ivate keypair; so the fingerprint of .ssh/id_rsa should be the same as the one for .ssh/id_rsa.pub. So, you can use either one (and, if you're like me and love tab-completion, it makes the job take 2 fewer keystrokes. Efficiency!).
– Parthian Shot
Jul 9 '15 at ...
How to generate a random string of a fixed length in Go?
...So we don't really need a rand.Rand (either explicit or the global, shared one of the rand package), a rand.Source is perfectly enough for us:
var src = rand.NewSource(time.Now().UnixNano())
func RandStringBytesMaskImprSrc(n int) string {
b := make([]byte, n)
// A src.Int63() generates 63 ...
Where do I use delegates? [closed]
...ident, but sometimes the VP is unavailable and the
President must send someone else, such as the Secretary of State or
even the First Lady. He does not want to “hardwire” his delegated
authority to a single person; he might delegate this responsibility to
anyone who is able to execute the correc...