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Sticky and NON-Sticky sessions
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When your website is served by only one web server, for each client-server pair, a session object is created and remains in the memory of the web server. All the requests from the client go to this web server and update this session object. If some data...
UTF-8 all the way through
...till be useful:
For HTML before HTML5 only: you want all data sent to you by browsers to be in UTF-8. Unfortunately, if you go by the only way to reliably do this is add the accept-charset attribute to all your <form> tags: <form ... accept-charset="UTF-8">.
For HTML before HTML5 only:...
SQLAlchemy: cascade delete
...ss, you can do so, but you will have to define the cascade on the backref (by creating the backref explicitly), like this:
parent = relationship(Parent, backref=backref("children", cascade="all,delete"))
(implying from sqlalchemy.orm import backref)
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What are the differences between SML and OCaml? [closed]
...ozen so it cannot evolve). Objective Caml is an implementation controlled by a small group at INRIA. It continues to evolve. (IMO the evolution is managed well.)
SML has many implementations; Caml has just one.
Objective Caml has a number of additional features, among which the most prominent are ...
Passing an Array as Arguments, not an Array, in PHP
...manner. But now I'm lost on how to do it. I recall the manner of passing by reference, how to "glob" incoming parameters ... but not how to de-list the array into a list of arguments.
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java SSL and cert keystore
...et them when you run the program (java -D....) Or you can set them in code by doing System.setProperty.
The specific keys you have to set are below:
javax.net.ssl.keyStore- Location of
the Java keystore file containing an
application process's own certificate
and private key. On Windows...
How can I disable a button on a jQuery UI dialog?
...ass("ui-state-disabled");
If you want it inside a specific dialog, say by ID, then do this:
$("#dialogID").next(".ui-dialog-buttonpane button:contains('Confirm')")
.attr("disabled", true);
In other cases where :contains() might give false positives then you can use .filter() lik...
Using Git with an existing Xcode project
...1. I was able to add a local git repository to an existing project simply by doing Source Control, Commit and then doing my first commit. That created the .git folder, etc. (No need for the git init, git add . and git commit -m.)
– Jeff
Jul 22 at 6:30
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Understanding colors on Android (six characters)
...hex digits for each value of alpha, red, green and blue respectively).
So by removing the final 55 you're changing from A=B4, R=55, G=55, B=55 (a mostly transparent grey), to R=B4, G=55, B=55 (a fully-non-transparent dusky pinky).
See the "Color" documentation for the supported formats.
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CSS Properties: Display vs. Visibility
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One important thing to note that by using jQuery's hide() method, which internally set display to none, you cannot get the position of this element. WHile using visibility you are able to do it.
– p0rsche
Apr 17 '14 at ...