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How to get the current time in milliseconds from C in Linux?
...olution of the implementation.
It is already implemented in Ubuntu 15.10. API looks the same as the POSIX clock_gettime.
#include <time.h>
struct timespec ts;
timespec_get(&ts, TIME_UTC);
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* nanosecon...
getenv() vs. $_ENV in PHP
...xample on Windows $_SERVER['Path'] is like you see, with the first letter capitalized, not 'PATH' as you might expect.
Because of that, I would probably opt to use getenv unless you are certain about the casing of the title of the variable you are trying to retrieve.
...
Understanding the ngRepeat 'track by' expression
...ularjs works. The documentation is very scarce: http://docs.angularjs.org/api/ng/directive/ngRepeat
3 Answers
...
how to add records to has_many :through association in rails
... need to find the Agent model if you intend to return that to your view or api:
house = @cust.houses.create(params[:house])
agent = @cust.agents.where(house: house.id).first
As a final note, if you want exceptions to be raised when creating house use the bang operators instead (e.g. new! and crea...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...ed in the CLR. But F# disallows it, mostly because if you did that, those APIs would not be callable from C#.) When it comes to interop, there are always trade-offs at 'edge' features regarding what benefits you get versus what interop you trade away.
– Brian
...
How can I make a JPA OneToOne relation lazy
... specify join fetch in HQL and / or explicitly set fetch mode via Criteria API which would take precedence over class annotation. If that's not the case and you're still having problems, please post your classes, query and resulting SQL for more to-the-point conversation.
B) @OneToOne is trickier. ...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
... // https://developers.google.com/web/updates/2017/09/visual-viewport-api Note on desktop Chrome the viewport subtracts scrollbar widths so is not same as window.innerWidth/innerHeight
return {
left: visualViewport.pageLeft,
top: visualViewport.pageTop,
...
Prevent RequireJS from Caching Required Scripts
...che busting.
From the RequireJS documentation (http://requirejs.org/docs/api.html#config):
urlArgs: Extra query string arguments appended to URLs that RequireJS
uses to fetch resources. Most useful to cache bust when the browser or
server is not configured correctly.
Example, appending ...
data.table vs dplyr: can one do something well the other can't or does poorly?
...
is easily generalised to other contexts: interactive web
graphics, web
scraping,
gists, run-time
contracts, ...)
Memory and performance
I've lumped these together, because, to me, they're not that important.
Most R users work with well under 1 million rows of data, and dplyr is
sufficiently fast ...
How does _gaq.push(['_trackPageLoadTime']) work?
...page loads on 10% of visits; as more browsers support the NavigationTiming API, you can expect the total sampled percentage to begin to get closer to 10%.)
This interface is accessed under the DOM object window.performance (or, in earlier versions of Chrome, window.webkitPerformance), using the tim...