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Format SQL in SQL Server Management Studio
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How to save all the variables in the current python session?
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If you use shelve, you do not have to remember the order in which the objects are pickled, since shelve gives you a dictionary-like object:
To shelve your work:
import shelve
T='Hiya'
val=[1,2,3]
filename='/tmp/shelve.out'
my_shelf = shelve.open(filename,'n') # 'n' for ne...
Can you explain the concept of streams?
...load, but tomorrow you want to send out boxes of six in response to custom orders. This kind of change can be accommodated by replacing or reconfiguring the machines at the start and end of the production line; the cherry machine in the middle of the line doesn't have to be changed to process a diff...
Why is std::map implemented as a red-black tree?
...e rebalancing (up to half the depth of the tree).
RB-trees are B-trees of order 4 represented as binary search trees. A 4-node in the B-tree results in two levels in the equivalent BST. In the worst case, all the nodes of the tree are 2-nodes, with only one chain of 3-nodes down to a leaf. That le...
Is there a performance gain in using single quotes vs double quotes in ruby?
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The measured differences are not meaningful. Just the order (because of garbage collection) can make important a difference. There is no runtime difference between ' and " as they are parsed to the same thing.
– Marc-André Lafortune
Aug 1 ...
How would you implement an LRU cache in Java?
...s not a LRU cache. This is because re-putting an entry does not affect the order of the entries (a real LRU cache will place the last-inserted entry at the back of the iteration order regardless of whether that entry initially exists in the cache)
– Pacerier
Fe...
Unicode, UTF, ASCII, ANSI format differences
... many consumer applications will need to be aware of non-BMP characters in order to support emojis.
UTF-8: Variable length encoding, 1-4 bytes per code point. ASCII values are encoded as ASCII using 1 byte.
UTF-7: Usually used for mail encoding. Chances are if you think you need it and you're not do...
How to get access to HTTP header information in Spring MVC REST controller?
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Is there any “font smoothing” in Google Chrome?
...ackoverflow page, which fixes this issue by loading web fonts in a special order. I would feel bad to simply copy his excellent answer, so please have a look there. There is also an (unproven) solution that recommends using only TTF/OTF fonts as they are now supported by nearly all browsers.
3.) Th...
How to apply two CSS classes to a single element
...16px;
color:#000000;
text-align:center;
}
<div class="box color">orderlist</div>
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