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How to print register values in GDB?
...nd f (float) can be found with:
maint print reggroups
as documented at: https://sourceware.org/gdb/current/onlinedocs/gdb/Registers.html#Registers
Tips:
xmm0 ~ xmm15, are 128 bits, almost every modern machine has it, they are released in 1999.
ymm0 ~ ymm15, are 256 bits, new machine usually ha...
Kotlin: how to pass a function as parameter to another?
...
apparently this is not supported yet.
more info:
http://devnet.jetbrains.com/message/5485180#5485180
http://youtrack.jetbrains.com/issue/KT-1183
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How do I Disable the swipe gesture of UIPageViewController?
...ew controllers when you want to with setViewControllers:direction:animated:completion method and it will move between view controllers on demand.
The above can be deduced from Apple's documentation of UIPageViewController (Overview, second paragraph):
To support gesture-based navigation, you m...
Is it a good idea to index datetime field in mysql?
...for a variety of reasons including elimination of rows between conditions: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
This makes your datetime column an excellent candidate for an index if you are going to be using it in conditions frequently in queries. If your only condition is BE...
Differences between cookies and sessions?
...pement and am learning about JSP & Servlets . I have some knowledge of HttpSession - I have used it in some of my sample projects.
...
What is the most efficient way to store tags in a database?
... Tag_Title:text[]
For more info, see this excellent post by Josh Berkus:
http://www.databasesoup.com/2015/01/tag-all-things.html
There are more various options compared thoroughly for performance and the one suggested above is the best overall.
...
Rails: Check output of path helper from console
...)
#=> "/posts/3"
app.posts_path
#=> "/posts"
app.posts_url
#=> "http://www.example.com/posts"
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How to get a complete list of object's methods and attributes?
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That is why the new __dir__() method has been added in python 2.6
see:
http://docs.python.org/whatsnew/2.6.html#other-language-changes (scroll down a little bit)
http://bugs.python.org/issue1591665
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Allowed characters in filename [closed]
...hould start with the Wikipedia Filename page. It has a decent-sized table (Comparison of filename limitations), listing the reserved characters for quite a lot of file systems.
It also has a plethora of other information about each file system, including reserved file names such as CON under MS-DOS...
@Basic(optional = false) vs @Column(nullable = false) in JPA
... the specification and read up about it.
Here is what the spec has to say:
http://download.oracle.com/otndocs/jcp/persistence-2.0-fr-oth-JSpec/
Basic(optional): Whether the value of the field or property may be
null. This is a hint and is disregarded for primitive types; it may be
used in sc...