大约有 13,259 项符合查询结果（耗时：0.0206秒） [XML]
Why doesn't JavaScript support multithreading?
...the JavaScript interpreter in the browser is a single thread (AFAIK). Even Google Chrome will not let a single web page’s JavaScript run concurrently because this would cause massive concurrency issues in existing web pages. All Chrome does is separate multiple components (different tabs, plug-ins...
adding multiple entries to a HashMap at once in one statement
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You can use Google Guava's ImmutableMap. This works as long as you don't care about modifying the Map later (you can't call .put() on the map after constructing it using this method):
import com.google.common.collect.ImmutableMap;
// ...
Does HTTP use UDP?
...ion layer protocol) does use UDP for carrying HTTP/2.0 traffic and much of Google's traffic already uses this protocol. It's currently progressing towards standardisation as HTTP/3.
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Catch all JavaScript errors and send them to server
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Google Tag Manager has a Javascript Error Listener, maybe worth checking out, especially if you are already using GA
– Adrian Gunawan
Sep 11 '14 at 2:34
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What's the difference between EscapeUriString and EscapeDataString?
...hods. In a simple URI, the plus character means "space". Consider querying Google for "happy cat":
https://www.google.com/?q=happy+cat
That's a valid URI (try it), and EscapeUriString will not modify it.
Now consider querying Google for "happy c++":
https://www.google.com/?q=happy+c++
T...
Save the console.log in Chrome to a file
... On Mac I found the log file at ~/Library/Application Support/Google/Chrome/chrome_debug.log
– vaichidrewar
Feb 18 '15 at 3:45
2
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Store query result in a variable using in PL/pgSQL
...nsert Data Learning Table:
INSERT INTO "public"."learning" VALUES ('1', 'Google AI-01');
INSERT INTO "public"."learning" VALUES ('2', 'Google AI-02');
INSERT INTO "public"."learning" VALUES ('3', 'Google AI-01');
Step: 01
CREATE OR REPLACE FUNCTION get_all (pattern VARCHAR) RETURNS TABLE (
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Show Youtube video source into HTML5 video tag?
...nto the HTML5 <video> tag, but it doesn't seem to work. After some Googling, I found out that HTML5 doesn't support YouTube video URLs as a source.
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What Does 'Then' Really Mean in CasperJS
... step2() {
this.echo('this is step two');
});
casper.thenOpen('http://google.com/', function step3() {
this.echo('this is step 3 (google.com is loaded)');
});
You can print out all the created steps within the stack like this:
require('utils').dump(casper.steps.map(function(step) {
r...
A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
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I prefer Google Collections over Apache StringUtils for this particular problem:
Joiner.on(separator).join(array)
Compared to StringUtils, the Joiner API has a fluent design and is a bit more flexible, e.g. null elements may be ski...