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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
I know that the compiler will sometimes initialize memory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens.
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H2 in-memory database. Table not found
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I found the problem myself in the mean time, but yeah, this is completely correct. Thanks!
– Jorn
May 9 '11 at 16:46
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GNU Makefile rule generating a few targets from a single source file
...ze' creating a and b but since creating b does not do anything it takes no time.
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How do I make a splash screen?
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Further reading:
App Launch time & Themed launch screens (Android Performance Patterns Season 6 Ep. 4)
Splash screen in Android: The right way
Old answer:
HOW TO: Simple splash screen
This answers shows you how to display a splash screen for a f...
Manipulating an Access database from Java without ODBC
...t()) {
System.out.println(rs.getString(1));
}
Disclosure
At the time of writing this Q&A I had no involvement in or affiliation with the UCanAccess project; I just used it. I have since become a contributor to the project.
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What is the best way to profile javascript execution? [closed]
...rst I want to see profile stats of every javascript function and execution time. Next would be including DOM functions. This combined with actions that slows things down like operation on the rendering tree would be perfect. I think this would give a good impression if the performance is killed in m...
Making a Sass mixin with optional arguments
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That's good to know but often times it's more clear to indicate what arguments a mixin is expecting, like $top, $left, $blur, etc. Variable arguments, like you've shown, are great for ultimate flexibility, though.
– Joshua Pinter
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How can I get seconds since epoch in Javascript?
...0;
Or, for a less hacky version:
var d = new Date();
var seconds = d.getTime() / 1000;
Don't forget to Math.floor() or Math.round() to round to nearest whole number or you might get a very odd decimal that you don't want:
var d = new Date();
var seconds = Math.round(d.getTime() / 1000);
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Scala type programming resources
...owever, unlike value-level programming, where the computation occurs at runtime, in type-level programming, the computation occurs at compile time. I will try to draw parallels between programming at the value-level and programming at the type-level.
Paradigms
There are two main paradigms in type-...
How to do multiple arguments to map function where one remains the same in python?
...ator that returns object over and over again. Runs indefinitely unless the times argument is specified. Used as argument to map() for invariant parameters to the called function. Also used with zip() to create an invariant part of a tuple record.
And there's no reason for pass len([1,2,3]) as the...