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In c++ what does a tilde “~” before a function name signify?
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It's the destructor, it destroys the instance, frees up memory, etc. etc.
Here's a description from ibm.com:
Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members wh...
How do I make a semi transparent background?
I need to make a white background 50% transparent without affecting anything else. How do I do it?
8 Answers
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Is there a way to iterate over a range of integers?
Go's range can iterate over maps and slices, but I was wondering if there is a way to iterate over a range of numbers, something like this:
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What is the purpose of the EBP frame pointer register?
I'm a beginner in assembly language and have noticed that the x86 code emitted by compilers usually keeps the frame pointer around even in release/optimized mode when it could use the EBP register for something else.
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How can I handle time zones in my webapp?
... storing timestamps is simple: Store them in UTC.
As for displaying them, it would make sense to take the device's timezone setting and use that as the current timezone. That said, there should be a timezone dropdown next to the "time input" box, which defaults to the device's current timezone, so ...
Breakpoint on property change
...reak on property change", where I can mark any property of any object, and it will stop JavaScript execution right before the change.
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Disable Interpolation when Scaling a
NOTE : This has to do with how existing canvas elements are rendered when scaled up , not to do with how lines or graphics are rendered onto a canvas surface . In other words, this has everything to do with interpolation of scaled elements , and nothing to do with antialiasing of graphics b...
How can I add a key/value pair to a JavaScript object?
Here is my object literal:
24 Answers
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Could not establish trust relationship for SSL/TLS secure channel — SOAP
...the web service proxy generated by Visual Studio, for a web service also written in C# (2.0). This has worked for several years, and continues to do so at the dozen or so places where it is running.
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Subtract days from a date in JavaScript
...the time value of the updated date.
var d = new Date();
document.write('Today is: ' + d.toLocaleString());
d.setDate(d.getDate() - 5);
document.write('<br>5 days ago was: ' + d.toLocaleString());
sh...