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How to allow http content within an iframe on a https site
I load some HTML into an iframe but when a file referenced is using http, not https, I get the following error:
9 Answers
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How to negate specific word in regex? [duplicate]
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A great way to do this is to use negative lookahead:
^(?!.*bar).*$
The negative lookahead construct is the pair of parentheses, with the opening parenthesis followed by a question mark and an exclamation point. Inside the lookahead [is any...
How do I check if a string contains a specific word?
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You can use the strpos() function which is used to find the occurrence of one string inside another one:
$a = 'How are you?';
if (strpos($a, 'are') !== false) {
echo 'true';
}
Note that the use of !== false is deliberate (neither != false nor === true will re...
how to convert array values from string to int?
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You can achieve this by following code,
$integerIDs = array_map('intval', explode(',', $string));
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How can I check if a string represents an int, without using try/except?
Is there any way to tell whether a string represents an integer (e.g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
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What does the explicit keyword mean?
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The compiler is allowed to make one implicit conversion to resolve the parameters to a function. What this means is that the compiler can use constructors callable with a single parameter to convert from one type to another in order to ge...
What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
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Reading this original article on The Code Project will help you a lot: Visual Representation of SQL Joins.
Also check this post: SQL SERVER – Better Performance – LEFT JOIN or NOT IN?.
Find original one at: Difference between J...
Is MATLAB OOP slow or am I doing something wrong?
...ng with OO MATLAB for a while, and ended up looking at similar performance issues.
The short answer is: yes, MATLAB's OOP is kind of slow. There is substantial method call overhead, higher than mainstream OO languages, and there's not much you can do about it. Part of the reason may be that idiomat...
Last iteration of enhanced for loop in java
Is there a way to determine if the loop is iterating for the last time. My code looks something like this:
21 Answers
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Swift: Testing optionals for nil
I'm using Xcode 6 Beta 4. I have this weird situation where I cannot figure out how to appropriately test for optionals.
14...