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How can I check if a checkbox is checked?
... didn't check it! Let me check it for you.");
}
}
Your script doesn't know what the variable remember is. You need to get the element first using getElementById().
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What’s the best way to reload / refresh an iframe?
...to reload an <iframe> using JavaScript. The best way I found until now was set the iframe’s src attribute to itself, but this isn’t very clean. Any ideas?
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What is the use of interface constants?
...he constant interface is not part of the exported API module or when it is nowhere implemented, I don't see the problem. Using const final classes is ugly: you need a private constructor which clutters the code as it has no use.
– Lawrence
Sep 28 '18 at 11:08
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Using IQueryable with Linq
...arely need to care about this as a user. Only a LINQ implementer needs to know the gory details.
Re comments; I'm not quite sure what you want by way of example, but consider LINQ-to-SQL; the central object here is a DataContext, which represents our database-wrapper. This typically has a propert...
Putting a simple if-then-else statement on one line [duplicate]
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Better Example: (thanks Mr. Burns)
'Yes' if fruit == 'Apple' else 'No'
Now with assignment and contrast with if syntax
fruit = 'Apple'
isApple = True if fruit == 'Apple' else False
vs
fruit = 'Apple'
isApple = False
if fruit == 'Apple' : isApple = True
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How to find the array index with a value?
..."rollnumber": 3,
"name": "amit",
"subject": "chemistry"
},
];
Now if we have a requirement to select a particular object in the array. Let us assume that we want to find index of student with name Tanmay.
We can do that by iterating through the array and comparing value at the given ke...
DateTime “null” value
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Following way works as well
myClass.PublishDate = toPublish ? DateTime.Now : (DateTime?)null;
Please note that property PublishDate should be DateTime?
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How do I include negative decimal numbers in this regular expression?
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I don't know why you need that first [0-9].
Try:
^-?\d*(\.\d+)?$
Update
If you want to be sure that you'll have a digit on the ones place, then use
^-?\d+(\.\d+)?$
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Error : The service is invalid
...to clear the DerivedData as @AminNegm-Awad mentioned. I restarted IDE too, now it's all fine. Superb answer and comments!
– Vijay Kumar Kanta
Apr 10 '19 at 12:25
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How many GCC optimization levels are there?
...00' '-v' '-mtune=generic' '-march=x86-64'
/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/5.1.0/cc1 [[noise]] hello_world.c -O100 -o /tmp/ccetECB5.
so -O was forwarded to both cc1 and collect2.
O in common.opt
common.opt is a GCC specific CLI option description format described in the internals doc...