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Performance difference between IIf() and If
...as maintaining legacy code, being stuck with some other tool that uses it, etc. And That's all you need to know, really doesn't sound like a conducive attitude for a website devoted to knowledge sharing ;)
– Don Cheadle
Aug 7 '15 at 21:29
...
os.walk without digging into directories below
... more complex requirements than just the top directory (eg ignore VCS dirs etc), you can also modify the list of directories to prevent os.walk recursing through them.
ie:
def _dir_list(self, dir_name, whitelist):
outputList = []
for root, dirs, files in os.walk(dir_name):
dirs[:] ...
How to get browser width using JavaScript code?
...nerHeight;
var ow = window.outerWidth; //including toolbars and status bar etc.
var oh = window.outerHeight;
Both return integers and don't require jQuery. Cross-browser compatible.
I often find jQuery returns invalid values for width() and height()
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What is the copy-and-swap idiom?
...ap for our type, provide an in-class swap along-side a free-function swap, etc. But this is all unnecessary: any proper use of swap will be through an unqualified call, and our function will be found through ADL. One function will do.
‡The reason is simple: once you have the resource to yourself,...
Better way to cast object to int
...ariant with VT_I4 is converted into a boxed int, VT_I2 into a boxed short, etc.
When doing a cast on a boxed value type it is only valid to cast it to the type boxed.
Foe example, if the returned variant is actually a VT_I2 then (int) (short) myObject should work.
Easiest way to find out is to i...
node.js shell command execution
...arg1 arg2 ... "). Your foo.sh script can reference these using $1, $2 ... etc.
– Tony O'Hagan
Jul 7 '18 at 1:13
If th...
How can a LEFT OUTER JOIN return more records than exist in the left table?
... join only. It can be arbitrary condition, e.g. date ranges, inequalities, etc. Two extreme cases: (a) N rows have not a single match among M rows, then left outer join results in N rows matched up with NULLs. (b) every of N rows matches all of M rows, then result is N x M rows set.
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What is correct HTTP status code when redirecting to a login page?
...: <type> realm=<realm>
Bearer, OAuth, Basic, Digest, Cookie, etc
Hypertext Transfer Protocol (HTTP) Authentication Scheme
Registry
Cookie-based HTTP Authentication - DRAFT
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Haskell offline documentation?
...d you'll find things options like doc-index-file, docdir, datadir, prefix, etc that allow you to configure where the documentation is stored.
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LINQ's Distinct() on a particular property
...don't see how it's relevant. I agree that this wouldn't be suitable for EF etc, but within LINQ to Objects I think it's more suitable than GroupBy. The context of the question is always important.
– Jon Skeet
Jan 22 '17 at 17:10
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