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What is the PostgreSQL equivalent for ISNULL()

... | edited Jan 14 '12 at 2:28 Erwin Brandstetter 439k9696 gold badges809809 silver badges969969 bronze badges ...
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How does functools partial do what it does?

... 227 Roughly, partial does something like this (apart from keyword args support etc): def partial(...
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Delete all local git branches

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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found

... answered Mar 7 '11 at 6:20 ChrisChris 6,42377 gold badges3636 silver badges5252 bronze badges ...
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Why are elementwise additions much faster in separate loops than in a combined loop?

...rmance isn't completely uniform. Accessing 4-ways is still slower than say 2-ways. EDIT: It does in fact look like you are allocating all the arrays separately. Usually when such large allocations are requested, the allocator will request fresh pages from the OS. Therefore, there is a high chance th...
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Mercurial stuck “waiting for lock”

... 492 When "waiting for lock on repository", delete the repository file: .hg/wlock (or it may be in .h...
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Is it possible to allow didSet to be called during initialization in Swift?

... | edited Nov 20 '19 at 11:46 Nik Kov 9,00633 gold badges5252 silver badges8484 bronze badges ...
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“x not in y” or “not x in y”

... 112 They always give the same result. In fact, not 'ham' in 'spam and eggs' appears to be special c...
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Try-finally block prevents StackOverflowError

... 332 It doesn't run forever. Each stack overflow causes the code to move to the finally block. The pr...
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Total memory used by Python process?

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