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How to obtain the number of CPUs/cores in Linux from the command line?
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Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 8
On-line CPU(s) list: 0-7
Thread(s) per core: 1
Core(s) per socket: 4
CPU socket(s): 2
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU f...
How to allow only numeric (0-9) in HTML inputbox using jQuery?
...layout is. For example, on French keyboards, users have to press shift in order to type numbers. So this code will not work at all. So please go for validation instead of this keycode hack.
– MiniQuark
Dec 12 '12 at 14:18
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Eclipse - no Java (JRE) / (JDK) … no virtual machine
...ession, you can want to register an older SDK (including a non-Sun one) in order to run/debug your programs with a JRE similar to the one which will actually be used in production.
June 2012, jmbertucci comments:
I'm running Windows 7 64-bit and I had the 32-bit JRE installed.
I downlo...
How can I find out what FOREIGN KEY constraint references a table in SQL Server?
...MN_USAGE kcu
ON kcu.CONSTRAINT_NAME = rc.UNIQUE_CONSTRAINT_NAME
ORDER BY ccu.table_name
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CocoaPods and GitHub forks
...lity I added here:
https://github.com/getaaron/TTTAttributedLabel
In order to use this in a Cocoapods project, I:
Push my changes to my fork
Configure my Podfile to get the changes & update
Once you've pushed your changes to your fork, get the SHA of your last commit. You can do this ...
C/C++ check if one bit is set in, i.e. int variable
...:
However, bit members in structs have practical drawbacks. First, the ordering of bits in memory is architecture dependent and memory padding rules varies from compiler to compiler. In addition, many popular compilers generate inefficient code for reading and writing bit members, and there are ...
List comprehension vs. lambda + filter
...terator object, so you'd have to pass your filter method call to list() in order to build the filtered list. So in python 2:
lst_a = range(25) #arbitrary list
lst_b = [num for num in lst_a if num % 2 == 0]
lst_c = filter(lambda num: num % 2 == 0, lst_a)
lists b and c have the same values, and wer...
What is the difference between the template method and the strategy patterns?
...he component designer
mandates the required steps of an algorithm, and the ordering of the
steps, but allows the component client to extend or replace some
number of these steps.
Image is taken from the bitesized blog.
s...
Are PostgreSQL column names case-sensitive?
... incorrect? If you have column names that are mixed case or upper case, in order to refer to them you need to put the identifier in double quotes.
– theferrit32
Jan 25 '18 at 18:14
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Catch multiple exceptions in one line (except block)
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