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How to check if a String is numeric in Java
...lly efficient than doing a regex matching.
UPDATE: As pointed by Jean-François Corbett in the comment, the above code would only validate positive integers, which covers the majority of my use case. Below is the updated code that correctly validates decimal numbers according to the default locale ...
F# development and unit testing?
...e most FP-ish testing framework for F#
– Mathieu François
Aug 22 at 16:55
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What is SaaS, PaaS and IaaS? With examples
...sk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine.
PaaS (Platform as a Service), as the name suggests, provides you computing platforms which typically incl...
How to assign a heredoc value to a variable in Bash?
...ed Nov 16 '19 at 22:47
Jean-François Fabre♦
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answered Aug 8 '13 at 12:58
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Location Services not working in iOS 8
...edited Jul 11 at 21:52
Jean-François Fabre♦
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answered Jun 5 '14 at 14:58
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How do ports work with IPv6?
Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of a webserver on the loopback interface:
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What is the difference between OpenID and SAML?
...e of federation. In SAML federations, an account should be a 1:1 relationship with a single person with a current relationship with the IdP "asserting" both the user authentication and authorisation. Entities operating IdPs in a federation must comply with governance around account currency and ver...
Apply pandas function to column to create multiple new columns?
...ol'].map(function)) is probably the way to go.
– François Leblanc
Aug 1 '17 at 20:36
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Why does “return list.sort()” return None, not the list?
...d change a shared variable in some cases.
– Jean-François Fabre♦
Nov 20 '17 at 22:22
It's interesting that if an en...
std::wstring VS std::string
... the C++ program contains implementation-defined behavior as to whether olè is encoded as UTF-8 or not. Further more, the reason you cannot natively stream wchar_t * to std::cout is because the types are incompatible resulting in an ill-formed program and it has nothing to do with the use of encod...