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How to speed up insertion performance in PostgreSQL
...u've batched your work into big transactions, though.
INSERT or COPY in parallel from several connections. How many depends on your hardware's disk subsystem; as a rule of thumb, you want one connection per physical hard drive if using direct attached storage.
Set a high checkpoint_segments value an...
Is there a difference between using a dict literal and a dict constructor?
...he finds the builtin, so you can switch the behaviour by defining a local called dict for example although I can't think of anywhere this would be a good idea apart from maybe when debugging
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Creating an iframe with given HTML dynamically
...cross browsers and it's only over a year after I answered that someone actually complained. No it's not cross browser. But let's be honest if you want code quality there is probably a much cleaner solution than using a iframe in the first place :)
– GillesC
N...
How to check whether an object is a date?
...nd for this is to check the object's class via
Object.prototype.toString.call(date) === '[object Date]'
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Just disable scroll not hide it?
...op property via javascript just before the layer opening, you could dynamically assign that value as top property of the body element: with this approach the page will stand in its place, no matter if you're on top or if you have already scrolled.
Css
.noscroll { position: fixed; overflow-y:scrol...
Data access object (DAO) in Java
I was going through a document and I came across a term called DAO . I found out that it is a Data Access Object. Can someone please explain me what this actually is?
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Search for a string in Enum and return the Enum
...
@user1531040 Actually, there is an Enum.TryParse.
– DarLom
Nov 1 '17 at 21:14
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What is a reasonable code coverage % for unit tests (and why)? [closed]
...and she knows those
factors better than I do – it’s her
code after all. There is no single,
simple, answer, and she’s smart enough
to handle the truth and work with
that.”
“I see,” said the young apprentice,
“but if there is no single simple
answer, then why did you ...
Can't delete virtual device from Eclipse, android
...unexpected emulator termination. AVDM doesn't deal with this. Deleting manually a device folder or overriding it solves the problem.
Before trying to delete a virtual device in AVDM. Remove all *.lock files from the corresponding /home/.android/[your device].avd fodlers. You will then be able to de...
How to get VM arguments from inside of Java application?
... -D), not VM parameters (those specified with -X). The question is specifically about -X params.
– cleberz
Jan 19 '17 at 17:06
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