大约有 40,000 项符合查询结果（耗时：0.0767秒） [XML]
IntelliJ IDEA: Move line?
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What's the point of 'meta viewport user-scalable=no' in the Google Maps API
...lowing for a better user experience.
From Google IO 2013 session
https://www.youtube.com/watch?feature=player_embedded&v=DujfpXOKUp8#t=1435s
Update: its not true anymore, <meta name="viewport" content="width=device-width"> is enough to remove 300ms delay
...
How to select all records from one table that do not exist in another table?
...EA a
LEFTJOIN TABLEB b
ON a.Key = b.Key
WHERE b.Key IS NULL;
https://www.cloudways.com/blog/how-to-join-two-tables-mysql/
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Node.js Mongoose.js string to ObjectId function
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to find reason of failed Build without any error or warning
...action (from the MSBuildVersioning package available on Nuget.org - http://www.nuget.org/packages/MSBuildVersioning/) which appeared in the csproj file's BeforeBuild target was failing without triggering any error message in the normal place.
I was able to determine this by setting the "MSBuild proj...
How to compute the sum and average of elements in an array?
...ements.length||1);
Understand Javascript Array Reduce in 1 Minute
http://www.airpair.com/javascript/javascript-array-reduce
as gotofritz pointed out seems Array.reduce skips undefined values.
so here is a fix:
(function average(arr){var finalstate=arr.reduce(function(state,a) { state.sum+=a;sta...
Postgresql aggregate array
...
Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the...
Mac OS X Terminal: Map option+delete to “backward delete word”
...k delete (kill) from cursor to end of line, and a bunch more.
See http://www.bigsmoke.us/readline/shortcuts for a nice little reference table.
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How to retrieve GET parameters from javascript? [duplicate]
... URL and URLSearchParams native functions:
let url = new URL("https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8&q=mdn%20query%20string")
let params = new URLSearchParams(url.search);
let sourceid = params.get('sourceid') // 'chrome-instant'
let q = pa...
convert a JavaScript string variable to decimal/money
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...