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What are the uses of the exec command in shell scripts? [closed]
...e sites do not allow users to alter their sign-in shell. One site I know had everyone start with csh, and everyone just put into their .login (csh start-up file) a call to ksh. While that worked, it left a stray csh process running, and the logout was two stage which could get confusing. So we cha...
Java Reflection: How to get the name of a variable?
... be useful for other purposes too.
Update: Limited support for this was added to Java 8. Parameter (a special class of local variable) names are now available via reflection. Among other purposes, this can help to replace @ParameterName annotations used by dependency injection containers.
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How do you read a file into a list in Python? [duplicate]
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with open('C:/path/numbers.txt') as f:
lines = f.read().splitlines()
this will give you a list of values (strings) you had in your file, with newlines stripped.
also, watch your backslashes in windows path names, as those are also escape chars in strings. You can use forw...
How can I get Express to output nicely formatted HTML?
...t any newline characters or tabs. Though it may be more efficient to download, it's not very readable during development.
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LINQ: Not Any vs All Don't
...y to someone feeling that if(determineSomethingTrue) is simpler and more readable than if(!determineSomethingFalse). And in fairness, I think they've a bit of a point in that I often find if(!someTest) confusing* when there's an alternative test of equal verbosity and complexity that would return tr...
how to exclude null values in array_agg like in string_agg using postgres?
... Clodoaldo NetoClodoaldo Neto
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How do I load an HTML page in a using JavaScript?
I want home.html to load in <div id="content"> .
14 Answers
14
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What exactly is nullptr?
...er literal of type std::nullptr_t, and it's a prvalue (you cannot take the address of it using &).
4.10 about pointer conversion says that a prvalue of type std::nullptr_t is a null pointer constant, and that an integral null pointer constant can be converted to std::nullptr_t. The opposite d...
Initialize class fields in constructor or at declaration?
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poke
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answered Aug 23 '08 at 20:04
kokoskokos
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xpath find if node exists
... Patrick McDonaldPatrick McDonald
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