大约有 41,000 项符合查询结果(耗时:0.0511秒) [XML]

https://stackoverflow.com/ques... 

Rails: FATAL - Peer authentication failed for user (PG::Error)

...o check the version of postgres if multiple versions are available psql=# select VERSION(); PostgreSQL 9.1.13 on x86_64-unk.... # so version is 9.1 Now Open postgres user vim /etc/postgresql/9.1/main/pg_hba.conf 9.1 is version return form upper command and replace local all ...
https://stackoverflow.com/ques... 

Should I use px or rem value units in my CSS? [closed]

...u have to press Alt, and go to View, Text Size.) It's much easier to just select the Zoom option in the browser's main menu (or use Ctrl++/-/mouse wheel). 1 - within statistical error, naturally If we assume most users scale pages using the zoom option, I find relative units mostly irrelevant. I...
https://stackoverflow.com/ques... 

Create an index on a huge MySQL production table without table locking

...s). Test Script: ( for n in {1..50}; do #(time mysql -uroot -e 'select * from website_development.users where id = 41225\G'>/dev/null) 2>&1 | grep real; (time mysql -uroot -e 'update website_development.users set bio="" where id = 41225\G'>/dev/null) 2>&1 | grep r...
https://stackoverflow.com/ques... 

Generating v5 UUID. What is name and namespace?

...Where would the UUID be used if not in the API. It seems we should either select either a UUID or BIGINT ? Why do this hybrid strategy. Yet +1 for the clear explanation in your answer. – nishant Aug 25 '18 at 14:27 ...
https://stackoverflow.com/ques... 

Drawing a line/path on Google Maps

... // This Activity will draw a line between two selected points on Map public class MainActivity extends MapActivity { MapView myMapView = null; MapController myMC = null; GeoPoint geoPoint = null; /** Called when the activity is first created. */ @Override public ...
https://stackoverflow.com/ques... 

What are the best JVM settings for Eclipse? [closed]

...ndows when you double click a file that is associated with eclipse, or you select files and choose "Open With" or "Send To" Eclipse. Relative paths will be resolved first against the current working directory, and second against the eclipse program directory. See bug 301033 for reference. Ori...
https://stackoverflow.com/ques... 

Cross browser JavaScript (not jQuery…) scroll to top animation

...rollTo(document.body, 0, 600); } var scrollme; scrollme = document.querySelector("#scrollme"); scrollme.addEventListener("click",runScroll,false) function scrollTo(element, to, duration) { if (duration <= 0) return; var difference = to - element.scrollTop; var perTick = difference...
https://stackoverflow.com/ques... 

Create a Date with a set timezone without using a string representation

...urs to find out that the reason was a wrong month. – Select0r Feb 28 '12 at 14:17 4 This answer i...
https://stackoverflow.com/ques... 

Multi-gradient shapes

...Shape()); p.setShaderFactory(sf); Basically, the int array allows you to select multiple color stops, and the following float array defines where those stops are positioned (from 0 to 1). You can then, as stated, just use this as a standard Drawable. Edit: Here's how you could use this in your sc...
https://stackoverflow.com/ques... 

Monad in plain English? (For the OOP programmer with no FP background)

...on, that composition is associative, and so on. In C#, "Bind" is called "SelectMany". Take a look at how it works on the sequence monad. We need to have two things: turn a value into a sequence and bind operations on sequences. As a bonus, we also have "turn a sequence back into a value". Those op...