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How and why does 'a'['toUpperCase']() in JavaScript work?
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Every JavaScript object is a hash table thus you can access its members by specifying a key. for example, if a variable is a string, then it should has the toUpperCase function. So, you could invoke it by
var str = "a"
str['toUpperCase'](). // you get the m...
Can I have H2 autocreate a schema in an in-memory database?
... "DB_CLOSE_DELAY=-1;")
.addScript("sql/provPlan/createTable.sql")
.addScript("sql/provPlan/insertData.sql")
.addScript("sql/provPlan/insertSpecRel.sql")
.build();
ref : http://www.h2database.com/html/features.html#exe...
Recommendations of Python REST (web services) framework? [closed]
... You can write more RESTfull APIs using CherryPy docs.cherrypy.org/stable/progguide/REST.html
– Radian
Jan 1 '13 at 13:16
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What is a segmentation fault?
...n (process) memory in improper way (for instance trying to write to non-writable space). But the most common reason for it is the access to the part of the virtual address space that is not mapped to physical one at all.
And all of this with respect to virtual memory systems.
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What is the JavaScript >>> operator and how do you use it?
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+2 in depth description and table, -1 because array.length validates itself and can't be arbitrarily set to anything that is not an integer or 0 (FF throws this error: RangeError: invalid array length).
– Justin Johnson
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Using C# regular expressions to remove HTML tags
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remove all SCRIPT and STYLE elements
do Grabthar-knows-what with FORM and TABLE elements
remove the remaining tags
remove the <![CDATA[ and ]]> sequences from CDATA sections but leave their contents alone
That's just off the top of my head--I'm sure there's more. Once you've done all that,...
push_back vs emplace_back
...l because no matter how much cleverness RVO and move semantic bring to the table there is still complicated cases where a push_back is likely to make unnecessary copies (or move). For example, with the traditional insert() function of a std::map, you have to create a temporary, which will then be co...
Can I make a not submit a form?
...on is a container in HTML. That allows you to place things like images or tables (not sure why you'd do this, but you could) etc while input doesn't support that. There is a difference between the two, and each one has their appropriate use case.
– R0MANARMY
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When should you not use virtual destructors?
...mean every allocated object increases in memory cost by a virtual function table pointer.
So if your program involves allocating a very large number of some object, it would be worth avoiding all virtual functions in order to save the additional 32 bits per object.
In all other cases, you will sav...
What is a servicebus and when do I need one?
...its use of queuing technology - your choice of RabbitMQ, MSMQ, Regular SQL Tables, Amazon SQS, Azure Storage Queues, and Azure Service Bus.
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