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How to calculate time elapsed in bash script?
...ers of detail, from bash-hackers.org:
%(FORMAT)T outputs the date-time string resulting from using FORMAT
as a format string for strftime(3). The associated argument is the
number of seconds since Epoch, or -1 (current time) or -2 (shell
startup time). If no corresponding argument is suppl...
In PHP what does it mean by a function being binary-safe?
... function will work correctly when you pass it arbitrary binary data (i.e. strings containing non-ASCII bytes and/or null bytes).
For example, a non-binary-safe function might be based on a C function which expects null-terminated strings, so if the string contains a null character, the function wo...
?? Coalesce for empty string?
Something I find myself doing more and more is checking a string for empty (as in "" or null) and a conditional operator.
...
Facebook Open Graph not clearing cache
...fresh even if you delete the thumnail/image from your server. But Facebook allows you to refresh by using fbrefresh
I hope this helps.
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Test if string is a guid without throwing exceptions?
I want to try to convert a string to a Guid, but I don't want to rely on catching exceptions (
18 Answers
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Change / Add syntax highlighting for a language in Sublime 2/3
... this in JavaScript:
<dict>
<key>name</key>
<string>Lang Variable</string>
<key>scope</key>
<string>variable.language</string>
<key>settings</key>
<dict>
<key>foreground</key>
...
RegEx to parse or validate Base64 data
...9+/]{2}==|[A-Za-z0-9+/]{3}=)?$
This one is good, but will match an empty String
This one does not match empty string :
^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$
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How can I get the root domain URI in ASP.NET?
...which has all the pieces broken down for you. It shouldn't be giving you a string. At least not in the version of .net I am using
– JoshBerke
Apr 4 '12 at 19:37
6
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Swift - Convert to absolute value
...
The standard abs() function works great here:
let c = -8
print(abs(c))
// 8
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Can a JSON value contain a multiline string
...control characters" so, no, you may not have a literal newline within your string. However you may encode it using whatever combination of \n and \r you require.
The JSONLint tool confirms that your JSON is invalid.
Update: And if you want to write newlines inside your JSON syntax without actual...
