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Approximate cost to access various caches and main memory?
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Surely these care very HUGE amounts, based on processor design, ram latency/frequency, hard disk caching(both type and size)/rpm etc etc? To Quote INTEL (for values they released for one specific CPU):"NOTE:These values are rough approximations. They depend on C...
How To Create a Flexible Plug-In Architecture?
...- configuration files (XML, .conf, and so on), inheritance frameworks, database information, libraries, and others. In my experience:
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Order data frame rows according to vector with specific order
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not sure it is the cleanest way, but with only "base" functions, this should work if you have duplicates in df: df <- data.frame(name=letters[c(1:4, 1:4)], value=c(rep(TRUE, 2), rep(FALSE, 2),rep(TRUE, 2), rep(FALSE, 2) )) target <- c("b", "c", "a", "d") df[order...
How does MongoDB sort records when no sort order is specified?
...n a Mongo find() query without any sort order specified, what does the database internally use to sort the results?
2 Answe...
Do we still need end slashes in HTML5?
...re Void Elements so they do not need an end tag.
Void elements
area, base, br, col, command, embed, hr, img, input, keygen, link, meta, param, source, track, wbr
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Void elements only have a start tag; end tags must not be specified for void elements.
W3C | WHATWG
That being said it...
Get Month name from month number
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Returns the culture-specific abbreviated name of the specified month
based on the culture associated with the current DateTimeFormatInfo
object.
string monthName = CultureInfo.CurrentCulture.DateTimeFormat.GetAbbreviatedMonthName(8)
For Full Month Names : "August"
DateTimeFormatInfo.Get...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
... view automatically asks each cell what height its contentView needs to be based on the known fixed width of the content view (which is based on the table view's width, minus any additional things like a section index or accessory view) and the auto layout constraints you have added to the cell's co...
What is the difference between google tag manager and google analytics?
...rts about activity on your site. GTM is a tag manager that can output tags based on defined rules. So for example, you can either implement your GA code on your site directly, or you can implement the GTM code and use GTM to output the GA code.
The main benefit of GTM (or any tag manager worth an...
Cleaner way to update nested structures
...tire data structure, according to some strategy (top-down, bottom-up), and based on rules that match against the value at some point in the structure. The classical example is transforming an AST for a language, perhaps to evaluate, simplify, or collect information. Kiama supports Rewriting, see the...
How can I correctly prefix a word with “a” and “an”?
...p the empty prefix to avoid corner-cases.
You can optimize your prefix database by discarding all those prefixes whose parent shares the same "a" or "an" annotation.
When determining whether to use "A" or "AN" find the longest matching prefix, and follow its lead. If you didn't discard the empty pr...