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Performance surprise with “as” and nullable types
...e used at runtime with any number of permutations of generic-parameters (T etc). The stack etc requirements depend on the args (amount of stack space for a local, etc), so you get one JIT for any unique permutation involving a value type. However, references are all the same size so share a JIT. Whi...
Reserved keywords in JavaScript
What JavaScript keywords (function names, variables, etc) are reserved?
8 Answers
8
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Open and write data to text file using Bash?
... knowing exactly what to do with this file. How to save it, how to run it, etc.
– Danny
Sep 22 '16 at 5:52
16
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What are good alternatives to SQL (the language)? [closed]
...g, which you run into when you work with data marked by dates, timestamps, etcetera. I once tried to do a reporting application entirely in plain SQL on a database full of timestamps and it just wasn't feasible. Another is the lack of support for path traversal: most of my data look like directed...
LINQ-to-SQL vs stored procedures? [closed]
...he point of configuration management. Changes should go through dev, test, etc before deployment regardless.
– Neil Barnwell
Mar 3 '09 at 17:22
6
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Java Timer vs ExecutorService?
...oss other systems in a cluster and do things like one-off batch execution, etc...
Just look at what each offers to decide.
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How to replace multiple strings in a file using PowerShell
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Assuming you can only have one 'something1' or 'something2', etc. per line, you can use a lookup table:
$lookupTable = @{
'something1' = 'something1aa'
'something2' = 'something2bb'
'something3' = 'something3cc'
'something4' = 'something4dd'
'something5' = 'somethi...
What does “./” (dot slash) refer to in terms of an HTML file path location?
...der and ONLY the current folder. So if there is some kind of tool/compiler/etc that searches for the file, then './file' will search ONLY in current folder, whereas 'file' will search wherever the tool is configured to search (e.g. root, current folder, etc.)
– Marcel Toth
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What are “Groovy” and “Grails” and what kinds of applications are built using them?
...us the power of the JVM (for garbage collection, speed via JIT compilation etc.) and the conciseness of Groovy. The learning curve for a Java programmer to pick up Groovy is supposed to be pretty small (thus leveraging off the huge number of available Java programmers).
It's a very different way of...
Circular list iterator in Python
...n l:
print i
all of which print:
>>>
a
b
c
d
a
b
c
d
...etc.
of the three I'd be prone to the append(pop()) approach as a function
servers = ['a','b','c','d']
def rotate_servers(servers):
servers.append(servers.pop(0))
return servers
while 1:
servers = rotate_serv...