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Best practice for creating millions of small temporary objects
...in memory (heap). This is not always the case. A lot of objects you create does not even leave a CPU register. For instance, consider this for-loop
for(int i=0, i<max, i++) {
// stuff that implies i
}
Let's not think about loop unrolling (an optimisations that the JVM heavily performs on you...
is not JSON serializable
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When the model has a datetime field, it does not work.
– ax003d
Mar 12 '14 at 8:18
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How to re-open an issue in github?
... (either open or closed) by using the search bar on the issues page. If it does, comment there. Even if it's closed, we can reopen it based on your comment.
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How can I represent an 'Enum' in Python?
...ering your enums in output. It will throw KeyError if the reverse mapping doesn't exist. With the first example:
>>> Numbers.reverse_mapping['three']
'THREE'
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Detect when browser receives file download
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A heads up for others: if document.cookies does not include the downloadToken, check the cookie path. In my case, I had to set the path to "/" on server side (e.g. cookie.setPath("/") in Java) even though path was blank by default. For some time I thought the issue wa...
Why are Oracle table/column/index names limited to 30 characters?
...e standard appears to optionally allow for 128 character names, but Oracle doesn't yet support this (or has partial support for it, insofar as it allows 30 characters. Hmmm.)
Search for "F391, Long identifiers" on this page... http://stanford.edu/dept/itss/docs/oracle/10g/server.101/b10759/ap_sta...
When someone writes a new programming language, what do they write it IN?
...correspondence with the raw language of the computer itself.
But it still doesn't end. Even a file with just raw numbers in it still needs translation. You still need to get those raw numbers in a file into the computer.
Well believe it or not the early computers had a row of switches on the front...
Can Python test the membership of multiple values in a list?
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This does what you want, and will work in nearly all cases:
>>> all(x in ['b', 'a', 'foo', 'bar'] for x in ['a', 'b'])
True
The expression 'a','b' in ['b', 'a', 'foo', 'bar'] doesn't work as expected because Python int...
When to dispose CancellationTokenSource?
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My above comment doesn't apply to linked token sources; I couldn't prove that it's OK to leave these undisposed, and the wisdom in this thread and MSDN suggests that it might not be.
– Joe Amenta
Jul 8 '...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
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@Matthew: does this mean that if i use IE6 or IE7, with the following :- <form .. method="PUT" >...</form> it will not work because PUT is not valid for HTML 4?
– Pure.Krome
Nov 2 '0...