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How to add a “readonly” attribute to an ?
How can I add readonly to a specific <input> ? .attr('readonly') does not work.
9 Answers
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Convert dmesg timestamp to custom date format
...ter, you could use the -T command line option of dmesg and parse the human readable format.
From the man page:
-T, --ctime
Print human readable timestamps. The timestamp could be inaccurate!
The time source used for the logs is not updated after system SUSPEND/RESUME.
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What is the python “with” statement designed for?
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I believe this has already been answered by other users before me, so I only add it for the sake of completeness: the with statement simplifies exception handling by encapsulating common preparation and cleanup tasks in so-called context managers...
Reshaping data.frame from wide to long format
...er functions.
Another problem with the data is that the values will be read by R as character-values (as a result of the , in the numbers). You can repair that with gsub and as.numeric:
long$value <- as.numeric(gsub(",", "", long$value))
Or directly with data.table or dplyr:
# data.table
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system(“pause”); - Why is it wrong?
...tinues execution of the program - the console window stays open so you can read the output.
A better idea would be to put a breakpoint at the end and debug it, but that again has problems.
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Static variable inside of a function in C
... the static int x (scope) part of the statement actually applies where you read it, somewhere INSIDE the function and only from there onwards, not above it inside the function.
However the x = 5 (lifetime) part of the statement is initialization of the variable and happening OUTSIDE of the function...
High Quality Image Scaling Library [closed]
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It should read GetEncoderInfo and not getEncoderInfo. I fixed the typo and the class compiles now.
– Doctor Jones
May 18 '10 at 15:30
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What do the makefile symbols $@ and $< mean?
... The -o specifies the output file to create.
For further details, you can read this article about Linux Makefiles.
Also, you can check the GNU make manuals. It will make it easier to make Makefiles and to debug them.
If you run this command, it will output the makefile database:
make -p
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Do you need to dispose of objects and set them to null?
...this scope because it would give a different meaning to 'iVal', which is already used in a 'parent or current' scope to denote something else
}
This makes sense if you look at generated MSIL - all the variables used by the function are defined at the start of the function. Take a look at this func...
Expert R users, what's in your .Rprofile? [closed]
...with factors. SAS's format system has many advantages over this, imo. When reading from text, stringsAsFactors is always set to false. However, for data transfer, I avoid reading from spreadsheet wherever possible.
– AdamO
Jul 6 '15 at 22:27
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