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How to check that an object is empty in PHP?
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empty doesn't actually check if an array is empty, empty($var) equivalent to (!isset($var) || !$var). You can replace your empty($arr)s with !$arr since array() == FALSE
– Timothy Zorn
Aug 20 '15 at 18:35...
querySelector, wildcard element match?
...to do a wildcard element name match using querySelector or querySelectorAll ? I see support for wildcards in attribute queries but not for the elements themselves.
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How do I edit an incorrect commit message in git ( that I've pushed )?
...rest: in BK you could.
And if you're used to it (like I was) it was really quite practical. I
would apply a patch-bomb from Andrew, notice something was wrong, and just
edit it before pushing it out.
I could have done the same with git. It would have been easy enough to
make just ...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...an above option
gc log.txt | more # or less if you have it installed
gc log.txt | %{ $_ -replace '\d+', '($0)' } # sed
This works well enough for small files, larger ones (more than a few MiB) are probably a bit slow.
The PowerShell Community Extensions include some cmdlets fo...
Should try…catch go inside or outside a loop?
...performance difference in where the try/catch structures are placed. Internally, they are implemented as a code-range table in a structure that is created when the method is called. While the method is executing, the try/catch structures are completely out of the picture unless a throw occurs, then ...
Visual Studio Disabling Missing XML Comment Warning
...ut I'd prefer a generic solution where I can make one change that disables all warnings of this type.
5 Answers
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can't push to branch after rebase
...erge on my development branches because they'll be rebased at any time. Usually the workflow is as follows:
o-----o-----o-----o-----o-----o master
\
o-----o-----o devel0
\
o-----o-----o devel1
Then to stay up-to-date with remo...
Stack, Static, and Heap in C++
...t understood very well these three concepts. When do I have to use dynamic allocation (in the heap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap?
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Practical uses of git reset --soft?
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git reset is all about moving HEAD, and generally the branch ref.
Question: what about the working tree and index?
When employed with --soft, moves HEAD, most often updating the branch ref, and only the HEAD.
This differ from commit --ame...
Make div (height) occupy parent remaining height
...s the first row as a fixed 100px height, and the remain rows will automatically stretch to fill the remaining space.
I'm pretty sure IE11 requires -ms- prefixes, so make sure to validate the functionality in the browsers you wish to support.
Flexbox
CSS3's Flexible Box Layout Module (flexbox) is ...