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What is meant by immutable?

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How to style the UL list to a single line

... ul li{ display: inline; } For more see the basic list options and a basic horizontal list at listamatic. (thanks to Daniel Straight below for the links). Also, as pointed out in the comments, you probably want styling on the ul and whatever elements go...
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SQLAlchemy: Creating vs. Reusing a Session

...helpers" that each approached the issue of this redundancy in some new and more confusing way. So sessionmaker() is just a tool to help you create Session objects when you need them. Next part. I think the question is, what's the difference between making a new Session() at various points versus...
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How to convert JSON data into a Python object

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How do I set a background-color for the width of text, not the width of the entire element, using CS

...nt of Eric Jones</h1> fiddle http://jsfiddle.net/J7VBV/293/ more display: table tells the element to behave as a normal HTML table would. More about it at w3schools, CSS Tricks and here Option 2 display: inline-flex; requires text-align: center; on parent .container { ...
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How to define an enumerated type (enum) in C?

... you can just say strategy. Both ways have their pro and cons. The one is more wordy, but keeps type identifiers into the tag-namespace where they won't conflict with ordinary identifiers (think of struct stat and the stat function: these don't conflict either), and where you immediately see that i...
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Java time-based map/cache with expiring keys [closed]

...adingCache has features that exceed a map with expiring entries and is far more complicated to create) see github.com/google/guava/wiki/CachesExplained#from-a-callable – Jeutnarg Jan 20 '17 at 22:02 ...
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Convert from enum ordinal to enum type

...store the ordinal rather than the name of the enum in the database. Furthermore, it's better to use int manipulation rather than String... – user660940 Mar 15 '11 at 16:06 ...
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Set markers for individual points on a line in Matplotlib

...lt by overlaying a scatterplot on the line plot. See the edit history for more details. share | improve this answer | follow | ...
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What's better at freeing memory with PHP: unset() or $var = null

...tion time. (Since 2013, that unset man page don't include that section anymore) Note that until php5.3, if you have two objects in circular reference, such as in a parent-child relationship, calling unset() on the parent object will not free the memory used for the parent reference in the child obj...