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How to hide a View programmatically?
...er. Via a menu option, I want to be able to make the bottom one disappear, and have the top one drop down over the disappeared LinearLayout .
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Get epoch for a specific date using Javascript
How do I convert 07/26/2010 to a UNIX timestamp using Javascript?
7 Answers
7
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Cannot ping AWS EC2 instance
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I am doing Anywhere but it automatically converts it into custom @SyedRakibAlHasan
– alper
Apr 5 '17 at 12:24
26
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Passing references to pointers in C++
... reference to a pointer in C++. However, my attempts to do so are failing, and I have no idea why.
10 Answers
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
...s do not match those of your image, as you can get unintended results.
To convert back the coordinates:
CGContextScaleCTM(context, 1.0, -1.0);
CGContextTranslateCTM(context, 0, -imageRect.size.height);
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What is the difference between XML and XSD?
What is the difference between Extensible Markup Language (XML) and XML Schema (XSD)?
7 Answers
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C++ Object Instantiation
I'm a C programmer trying to understand C++. Many tutorials demonstrate object instantiation using a snippet such as:
9 An...
Strings as Primary Keys in SQL Database [closed]
I am not very familiar with databases and the theories behind how they work. Is it any slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers?
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Real world example about how to use property feature in python?
... the distance in metres
# All units provided using setters will be converted before
# being stored
self._distance = 0.0
@property
def in_metres(self):
return self._distance
@in_metres.setter
def in_metres(self, val):
try:
self._di...
Why charset names are not constants?
Charset issues are confusing and complicated by themselves, but on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use ...