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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
..., run:
$ java -d64 -version
If it's not a 64-bit JVM, you'll get this:
Error: This Java instance does not support a 64-bit JVM.
Please install the desired version.
Similarly, to check for a 32-bit JVM, run:
$ java -d32 -version
If it's not a 32-bit JVM, you'll get this:
Error: This Java in...
How do I grab an INI value within a shell script?
... filter it out as shown above, e.g. grep =), the same for other unexpected errors.
If you need to read specific value under specific section, use grep -A, sed, awk or ex).
E.g.
source <(grep = <(grep -A5 '\[section-b\]' file.ini))
Note: Where -A5 is the number of rows to read in the section...
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...
Not just error code. It's the returned status code of any command.
– mehulkar
Jul 8 '14 at 17:44
10
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How to PUT a json object with an array using curl
...
Although the original post had other issues (i.e. the missing "-d"), the error message is more generic.
curl: (3) [globbing] nested braces not supported at pos X
This is because curly braces {} and square brackets [] are special globbing characters in curl.
To turn this globbing off, use the...
How do I read text from the (windows) clipboard from python?
...
go this error "expected char pointer, got int" on the line "text = ctypes.c_char_p(data_locked)", any idea?
– txemsukr
Aug 8 '19 at 12:34
...
The provider is not compatible with the version of Oracle client
...get a " The provider is not compatible with the version of Oracle client " error message. Any help would be appreciated.
2...
Do I cast the result of malloc?
...ong).
It makes you repeat yourself, which is generally bad.
It can hide an error if you forgot to include <stdlib.h>. This can cause crashes (or, worse, not cause a crash until way later in some totally different part of the code). Consider what happens if pointers and integers are differently...
Using Custom Domains With IIS Express
... URL: http://dev.example.com
Click Create Virtual Directory (if you get an error here you may need to disable IIS 5/6/7/8, change IIS's Default Site to anything but port :80, make sure Skype isn't using port 80, etc.)
Optionally: Set the Start URL to http://dev.example.com
Open %USERPROFILE%\My D...
Benefits of using the conditional ?: (ternary) operator
...e same as:
readonly int speed;
if (shifKeyDown)
speed = 10; // error - can't assign to a readonly
else
speed = 1; // error
In a similar way you can embed a tertiary expression in other code. As well as making the source code more compact (and in some cases more readable as ...
Merge multiple lines (two blocks) in Vim
...lid Range - but it works anyway. When removing the 1, it works without the error.
– ThiefMaster
May 26 '12 at 7:56
And...