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How do browsers pause/change Javascript when tab or window is not active?
Background: I'm doing some user interface tests that need to detect if people are paying attention or not. But, this question is not about the page visibility API .
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Remove Identity from a column in a table
...T ALL
COMMIT TRAN
END TRY
BEGIN CATCH
ROLLBACK TRAN
SELECT ERROR_MESSAGE ()
END CATCH
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Laravel migration: unique key is too long, even if specified
...ng to migrate a users table in Laravel. When I run my migration I get this error:
38 Answers
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When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”
...update interval of nexus has elapsed or updates are forced -> [Help 1]" error.
To fix this I added <updatePolicy>always</updatePolicy> to my settings file (C:\Program Files\NetBeans 7.0\java\maven\conf\settings.xml)
<profile>
<id>nexus</id>
<!--Enable snap...
Clone private git repo with dockerfile
...5 seconds which bitbucket often exceeded. ssh-keyscan won't even report an error. So better run RUN ssh-keyscan -T 60 bitbucket.org >> /root/.ssh/known_hosts to be safe.
– fluidsonic
Feb 26 '15 at 17:05
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Can you use a trailing comma in a JSON object?
...ves a lot of time. It's annoying, I wish there were an option to throw an error for this with firefox (since that would help with debugging).
– rocketmonkeys
Aug 30 '11 at 18:16
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How can I find out what version of git I'm running?
...d."
That will echo "Git is installed" if it is, otherwise, it'll echo an error message. You can use this for scripts that use git
It's also customizable, so you can change "which git" to "which java" or something, and change the error message.
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php execute a background process
...save them to a web directory:
foreground.php:
<?php
ini_set("display_errors",1);
error_reporting(E_ALL);
echo "<pre>loading page</pre>";
function run_background_process()
{
file_put_contents("testprocesses.php","foreground start time = " . time() . "\n");
echo "<pre>...
Proper way to rename solution (and directories) in Visual Studio
...essary to restart because otherwise it can get confused and you get stupid errors
– Simon_Weaver
Jan 15 '13 at 3:08
1
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
..._init__(self):
CrawlSpider.__init__(self)
self.verificationErrors = []
self.selenium = selenium("localhost", 4444, "*chrome", "http://www.domain.com")
self.selenium.start()
def __del__(self):
self.selenium.stop()
print self.verificationErrors
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