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How are Python's Built In Dictionaries Implemented?

...below) (see dictobject.c:296-297). Python hash table is just a contiguous block of memory (sort of like an array, so you can do an O(1) lookup by index). Each slot in the table can store one and only one entry. This is important. Each entry in the table is actually a combination of the three valu...
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Is the “struct hack” technically undefined behavior?

...he object is not an array object so 6.5.6 is irrelevant. The object is the block of memory allocated by malloc. Lookup "object" in the standard before you spout off bs. – R.. GitHub STOP HELPING ICE Sep 15 '10 at 0:23 ...
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How does a language expand itself? [closed]

...ake for example malloc. Not only will this call the system to obtain large blocks of memory but will manage this memory by doing all the book keeping on what is take place. Win32 APIs wrap some graphic functionality with a common platform widget set. Qt takes this a bit further by wrapping the Win3...
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Why is String immutable in Java?

...ve proper attribution to the source of your answer. Remember to always use block quotes for verbatim copies of content. Thanks! – NickL Nov 6 '17 at 22:18 ...
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How do I set cell value to Date and apply default Excel date format?

...()); } catch (ParseException e) { // TODO Auto-generated catch block d=null; e.printStackTrace(); continue; } cell.setCellValue(d); cell.setCellStyle(cellStyle); } file.close(); FileOutputStream outFile =new FileOutputStream(new File(output)); work...
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How to apply a Git patch to a file with a different name and path?

...merge conflicts. Instead of leaving conflicted files untouched, a conflict block is added that can then be resolved. – Daniel Wolf Apr 15 '19 at 11:24 add a comment ...
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Are class names in CSS selectors case sensitive?

...;} .Class {font-weight:900;} #ID::afTeR {conTent:"colored text"; disPlay:bLock; color:#fAdAcA;} .class:hoVeR {background-color:lightblue;} </style> </head> <body> <p id="id" class="class">red and underline</p> <p id="ID" class="CLASS">30px font size and gray b...
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How can I display just a portion of an image in HTML/CSS?

...ht as to their benefit or caveat. div.container { display: inline-block; } #rectangular { -webkit-clip-path: inset(30px 10px 30px 10px); clip-path: inset(30px 10px 30px 10px); } #circle { -webkit-clip-path: circle(75px at 50% 50%); clip-path: circle(75px at 50% 50%) } #ell...
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When should I use a table variable vs temporary table in sql server?

... expensive SELECT statement then consider that using a table variable will block the possibility of this using a parallel plan. If you need the data in the table to survive a rollback of an outer user transaction then use a table variable. A possible use case for this might be logging the progress o...
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How to print to console in pytest?

...ersion 1. with pytest 3.8.1 unfortunately it only prints the test function block, but not the output from print statements :( any more tricks for this? – U.V. Sep 29 '18 at 22:15 ...