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What is a stream?
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A stream represents a sequence of objects (usually bytes, but not necessarily so), which can be accessed in sequential order. Typical operations on a stream:
read one byte. Next time you read, you'll get the next byte, and so on.
read several bytes from the stream into an a...
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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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...
What algorithm gives suggestions in a spell checker?
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There is good essay by Peter Norvig how to implement a spelling corrector. It's basicly a brute force approach trying candidate strings with a given edit distance. (Here are some tips how you can improve the spelling corrector performance using ...
How to Generate unique file names in C#
... readability of the file name isn't important, then the GUID, as suggested by many will do. However, I find that looking into a directory with 1000 GUID file names is very daunting to sort through. So I usually use a combination of a static string which gives the file name some context information, ...
Can pandas automatically recognize dates?
Today I was positively surprised by the fact that while reading data from a data file (for example) pandas is able to recognize types of values:
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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 ...
Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
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I got the same exception while deleting a record by Id that does not exists at all. So check that record you are updating/Deleting actually exists in DB
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