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How to determine if a string is a number with C++?

...tring is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working smoothly (or I accidentally edited to stop it or I'm schizophrenic or Windows ...
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How to do an instanceof check with Scala(Test)

...he question. ScalaTest has built-in support for type check. See the answer from @martin-g – maasg Jun 7 '16 at 16:38 H...
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What is the difference in maven between dependency and plugin tags in pom xml?

...ring the build and they should be configured in the <build/> element from the POM. Reporting plugins will be executed during the site generation and they should be configured in the <reporting/> element from the POM. According to the maven goal specified in the command line (for exa...
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Javascript objects: get parent [duplicate]

... No. There is no way of knowing which object it came from. s and obj.subObj both simply have references to the same object. You could also do: var obj = { subObj: {foo: 'hello world'} }; var obj2 = {}; obj2.subObj = obj.subObj; var s = obj.subObj; You now have three refere...
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Set the table column width constant regardless of the amount of text in its cells?

...is useful to set the overflow property to hidden to prevent any extra text from coming out of the table. You should make sure to leave all of the bordering and sizing for CSS, too. Ok so here's what I have: table { border: 1px solid black; table-layout: fixed; width: 200px; } th,...
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How to properly override clone method?

... directly calling the superclass' method in the try block, even if invoked from a subclass calling super.clone()) and the former should not since your class clearly should implement Cloneable. Basically, you should log the error for sure, but in this particular instance it will only happen if you m...
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Get current directory name (without full path) in a Bash script

...variable; all built-in variable names are in all-caps (to distinguish them from local variables, which should always have at least one lower-case character). result=${PWD#*/} does not evaluate to /full/path/to/directory; instead, it strips only the first element, making it path/to/directory; using t...
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parseInt(null, 24) === 23… wait, what?

... specified radix (base). For example, a radix of 10 indicates to convert from a decimal number, 8 octal, 16 hexadecimal, and so on. For radices above 10, the letters of the alphabet indicate numerals greater than 9. For example, for hexadecimal numbers (base 16), A through F are used. ...
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RegEx to parse or validate Base64 data

... From the RFC 4648: Base encoding of data is used in many situations to store or transfer data in environments that, perhaps for legacy reasons, are restricted to US-ASCII data. So it depends on the purpose of usage of t...
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How to solve the “failed to lazily initialize a collection of role” Hibernate exception

... From my experience, I have the following methods to solved the famous LazyInitializationException: (1) Use Hibernate.initialize Hibernate.initialize(topics.getComments()); (2) Use JOIN FETCH You can use the JOIN FETCH sy...