大约有 46,000 项符合查询结果（耗时：0.0347秒） [XML]
Detecting a mobile browser
...
Using Regex (from detectmobilebrowsers.com):
Here's a function that uses an insanely long and comprehensive regex which returns a true or false value depending on whether or not the user is browsing with a mobile.
window.mobileCheck = f...
Hadoop “Unable to load native-hadoop library for your platform” warning
...
The answer depends... I just installed Hadoop 2.6 from tarball on 64-bit CentOS 6.6. The Hadoop install did indeed come with a prebuilt 64-bit native library. For my install, it is here:
/opt/hadoop/lib/native/libhadoop.so.1.0.0
And I know it is 64-bit:
[hadoop@VMWHADTES...
System.currentTimeMillis vs System.nanoTime
...() gives you a nanosecond-precise time, relative to some arbitrary point.
From the Java Documentation:
public static long nanoTime()
Returns the current value of the most precise available system timer, in nanoseconds.
This method can only be used to
measure elapsed time and is not
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VS2010 and IE10 Attaching the Script debugger to process iexplore.exe failed
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Why this was not selected as answer? Worked for me (IE10, VS2010, WIN 7 64bit).
– TheVillageIdiot
Mar 28 '13 at 3:18
1
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How can I strip first X characters from string using sed?
...ble containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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How to create a date and time picker in Android? [closed]
.... This Date object contains
// the date and time that the user has selected.
}
@Override
public void onDateTimeCancel()
{
// Overriding onDateTimeCancel() is optional.
}
};
Then you create and show the dialog:
new SlideDateTimePicker.Builder(getSupportFragment...
How to simulate a higher resolution screen? [closed]
...esolution throws this: "Your Screen Resolution is too small The pop-up you selected is too big for the screen resolution you use. Your screen resolution is 1440 pixels by 900 pixels. The pop-up window you tried to open is 1920 pixels by 1200. "
– HappyDeveloper
...
Django DB Settings 'Improperly Configured' Error
... 3) to check some things, I get the weirdest error when I try importing - from django.contrib.auth.models import User -
...
Print a file's last modified date in Bash
... date as a timestamp
date -d @1503989421 +%Y%m%d%H%M%S # Convert the date (from timestamp)
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...om scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor
from scrapy.selector import HtmlXPathSelector
from scrapy.http import Request
from selenium import selenium
class SeleniumSpider(CrawlSpider):
name = "SeleniumSpider"
start_urls = ["http://www.domain.com"]
rules = (
...