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When do I use fabs and when is it sufficient to use std::abs?
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In C++, it's always sufficient to use std::abs; it's overloaded for all the numerical types.
In C, abs only works on integers, and you need fabs for floating point values. These are available in C++ (along with all of the C library), but there's no need to use them.
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
We have all heard that one should never rebase published work, that it’s dangerous, etc. However, I have not seen any recipes posted for how to deal with the situation in case a rebase is published.
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{version} wildcard in MVC4 Bundle
...e have bundles. While defining the bundles we can use wildcards like * for all files in a folder.
3 Answers
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How can I determine the type of an HTML element in JavaScript?
...toLowerCase() means you also need to make sure nodeName exists (if it's at all possible elt is not, in fact, an element): if (elt.nodeName && elt.nodeName.toLowerCase() === 'div') { ... }
– Erik Koopmans
Nov 6 '17 at 7:10
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git replace local version with remote version
...ex directly use
git read-tree remote/branch:subdir/
You can then (optionally) update your working copy by doing
git checkout-index -u --force
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Do you need break in switch when return is used?
...se return instead of break...
break is optional and is used to prevent "falling" through all the other case statements. So return can be used in a similar fashion, as return ends the function execution.
Also, if all of your case statements are like this:
case 'foo':
$result = find_result(...)...
Count cells that contain any text
...<>" (including the quotes) as the parameter for criteria. This basically says, as long as its not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
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What's the best way of structuring data on firebase?
... opposed to RDBMS, is that it's tempting to nest data because we can. Generally, you want to normalize data to some extent (just as you would do with SQL) despite the lack of join statements and queries.
You also want to denormalize in places where read efficiency is a concern. This is a technique...
click or change event on radio using jquery
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});
</script>
You must make sure that you initialized jquery above all other imports and javascript functions. Because $ is a jquery function. Even
$(function(){
<code>
});
will not check jquery initialised or not. It will ensure that <code> will run only after all the javascr...
How to limit setAccessible to only “legitimate” uses?
...hat kind of an architecture.
If you're distributing a software component called foo.jar to the people of the world, you're completely at their mercy anyway. They could modify the class definitions inside your .jar (through reverse engineering or direct bytecode manipulation). They could run your co...