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Can an AJAX response set a cookie?
...f the user agent supports HTTP State Management it should persist, discard and send cookies (as received in the Set-Cookie response header, and sent in the Cookie header) as applicable. -- from w3.org/TR/XMLHttpRequest
– smwikipedia
Jan 6 '16 at 13:48
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What does it mean to start a PHP function with an ampersand?
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An ampersand before a function name means the function will return a reference to a variable instead of the value.
Returning by reference is useful when
you want to use a function to find to
which variable a reference should b...
Accessing UI (Main) Thread safely in WPF
...e code given above, the code works perfectly when I go into the debug mode and manually do stepovers, but the code crashes when I run the application without debug. I am not sure what to lock here that is causing a problem.
– l46kok
Jul 24 '12 at 6:54
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Ruby on Rails: How do I add placeholder text to a f.text_field?
...to my f.text_field fields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text?
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Uninstall old versions of Ruby gems
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For removing older versions of all installed gems, following 2 commands are useful:
gem cleanup --dryrun
Above command will preview what gems are going to be removed.
gem cleanup
Above command will actually remove them.
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Jsoup SocketTimeoutException: Read timed out
...:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
and only setting .userAgent(Opera) worked for me.
So I used Connection userAgent(String userAgent) method of Connection class to set Jsoup user agent.
Something like:
Jsoup.connect("link").userAgent("Opera").get();
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Why #egg=foo when pip-installing from git repo
... Aug 6 '12 at 20:31
Skylar SavelandSkylar Saveland
9,46588 gold badges6464 silver badges8888 bronze badges
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Importing a Swift protocol in Objective-C class
...however, you can add the protocol to the private @interface in the .m file and it fixes things (at least it has for me on occasion). So above your @implementation have @interface MyController() <AnalyticProtocol>.
– Adam
Oct 5 '15 at 19:36
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What do I return if the return type of a method is Void? (Not void!)
... a function has to be Void?
Use return null. Void can't be instantiated and is merely a placeholder for the Class<T> type of void.
What's the point of Void?
As noted above, it's a placeholder. Void is what you'll get back if you, for example, use reflection to look at a method with a ...
Create Directory if it doesn't exist with Ruby
... system will launch /bin/sh to parse the mkdir -p "foo/bar" string and then the shell will run /bin/mkdir. So you're doing extra work (create the command string, launch /bin/sh to pull it apart again) and some of that extra work leaves you open to shell injection attacks (spend some time in ...