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Copy a stream to avoid “stream has already been operated upon or closed”
...here the developer is forced to store intermediate results (collecting) in order to process a stream in two different ways. The implication that the stream is generated more than once (unless you collect it) seems clear - because otherwise you wouldn't need a collect method.
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How large should my recv buffer be when calling recv in the socket library
... more data. But if the buffer ever gets full don't you need to empty it in order to avoid a memory violation due to writing pass the amount of memory allocated for the buffer?
– Alex_Nabu
Apr 1 '15 at 7:30
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Should I use single or double colon notation for pseudo-elements?
...lectors REC:
This :: notation is introduced by the current document in order to establish a discrimination between pseudo-classes and pseudo-elements.
For compatibility with existing style sheets, user agents must also accept the previous one-colon notation for pseudo-elements introduced in CS...
How many parameters are too many? [closed]
...rganized logically (x,y,w,h) it is easy to remember all of them in correct order. It is mutch harder to rember where to put the FILE pointer in putc (which only has two parameters), especially since fprintf is the opposite.
– user877329
May 29 '16 at 10:06
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Python ValueError: too many values to unpack [duplicate]
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for k, m in self.materials.items():
example:
miles_dict = {'Monday':1, 'Tuesday':2.3, 'Wednesday':3.5, 'Thursday':0.9}
for k, v in miles_dict.items():
print("%s: %s" % (k, v))
share
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...ave private methods/functions and properties:
(function() {
var private_var;
function private_function() {
//code
}
})();
In the first example, you would explicitly invoke globalFunction by name to run it. That is, you would just do globalFunction() to run it. But in the above exam...
Assign multiple columns using := in data.table, by group
...r this answer and the examples. How should I modify the following line in order to get two columns for each objectName from the dim output, rather than one column with two rows? data.table(objectName=ls())[,c("rows","cols"):=dim(get(objectName)),by=objectName] (I'm using data.table 1.8.11)
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Difference between core and processor
...), maintaining the correct program state, registers, and correct execution order, and performing the operations through ALUs. For optimization purposes, a core can also hold on-core caches with copies of frequently used memory chunks.
A CPU may have one or more cores to perform tasks at a given ti...
How to fix Git error: object file is empty?
...)
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git add tex/sept2012_code/example-code-testing.R
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git commit -a -m "adding in the example code"
[master 385c023] adding in the example code
1 file changed, 331 insertions(+)
create mode 100644...
Why do you program in assembly? [closed]
...e accelerator architecture like manually moving data in and out in certain order.
I doubt many people use assembly language when a higher-level language would do, especially when that language is C. Hand-optimizing large amounts of general-purpose code is impractical.
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