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Possible to perform cross-database queries with PostgreSQL?
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From what I can read, dblink doesn't handle the case where you want a query that spans two databases.
– Paul Tomblin
Mar 27 '12 at 0:04
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What does enumerate() mean?
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I am reading a book (Effective Python) by Brett Slatkin and he shows another way to iterate over a list and also know the index of the current item in the list but he suggests that it is better not to use it and to use enumerate i...
Does Redis persist data?
...it persist as well across server reboot so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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How does the ThreadStatic attribute work?
How does [ThreadStatic] attribute work? I assumed that the compiler would emit some IL to stuff/retrieve the value in the TLS, but looking at a disassembly it doesn't seem to do it at that level.
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How do I submit disabled input in ASP.NET MVC?
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Can't you make the field readonly="readonly" instead of disabled="disabled"? A readonly field value will be submitted to the server while still being non-editable by the user. A SELECT tag is an exception though.
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Copy folder recursively in node.js
...copy a folder and all its content without manually doing a sequence of fs.readir , fs.readfile , fs.writefile recursively ?
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ValueError: invalid literal for int() with base 10: ''
I am creating a program that reads a file and if the first line of the file is not blank, it reads the next four lines. Calculations are performed on those lines and then the next line is read. If that line is not empty it continues. However, I am getting this error:
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do {…} while(false)
...he function exits.
It can make a tiresome if/else-if tree a lot easier to read, by just having to break whenever an exit point is reached, with the rest of the logic inline afterwards.
This pattern is also useful in languages that don't have a goto statement. Perhaps that's where the original prog...
.prop() vs .attr()
...lla's DOM documentation is valid for most modern browsers and is easier to read than the specs, so you may find their DOM reference helpful. There's a section on element properties.
As an example of how properties are simpler to deal with than attributes, consider a checkbox that is initially check...
LINQ .Any VS .Exists - What's the difference?
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I later made a post in another thread where I listed all the Linq "equivalents" of the .NET 2 List<> instance methods.
– Jeppe Stig Nielsen
Dec 1 '15 at 8:44
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