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How do I get the information from a meta tag with JavaScript?
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I think this answer is not more relevant and you should really use stackoverflow.com/questions/7524585/…
– Sergei Basharov
Jan 21 '17 at 17:10
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How do I use IValidatableObject?
I understand that IValidatableObject is used to validate an object in a way that lets one compare properties against each other.
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Handling an empty UITableView. Print a friendly message
...at you reloadData you should determine if there your table is empty or not and update the UITableView's backgroundView property with a UIView containing a UILabel or just set it to nil. That's it.
It is of course possible to make UITableView's data source do double duty and return a special "list ...
Omitting the second expression when using the if-else shorthand
Can I write the if else shorthand without the else ?
8 Answers
8
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MySQL: How to copy rows, but change a few fields?
... do it without having to specify the column names?
– Andrew
May 6 '10 at 18:00
4
Not that I'm awa...
Best way to repeat a character in C#
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string.Concat(Enumerable.Repeat("ab", 2));
Returns
"abab"
And
string.Concat(Enumerable.Repeat("a", 2));
Returns
"aa"
from...
Is there a built-in function to repeat string or char in .net?
share
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Importing data from a JSON file into R
...fically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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remove_if equivalent for std::map
...ments that needed to be erased.
This is a common algorithm I've seen used and documented in many places.
[EDIT] You are correct that iterators are invalidated after an erase, but only iterators referencing the element that is erased, other iterators are still valid. Hence using iter++ in the erase...
How to open files relative to home directory
...is a mere convention; indeed, if you look at the documentation for File.expand_path, it correctly interprets the tilde, but it's a feature of the function itself, not something inherent to the underlying system; also, File.expand_path requires the $HOME environment variable to be correctly set. Whic...
How to catch curl errors in PHP
...rl_error($ch);
}
curl_close($ch);
if (isset($error_msg)) {
// TODO - Handle cURL error accordingly
}
See the description of libcurl error codes here
See the description of PHP curl_errno() function here
See the description of PHP curl_error() function here
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