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Broadcast receiver for checking internet connection in android app
... edited May 23 '17 at 12:02
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answered Mar 29 '13 at 9:39
user1381827user13818...
How do I best silence a warning about unused variables?
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You can put it in "(void)var;" expression (does nothing) so that a compiler sees it is used. This is portable between compilers.
E.g.
void foo(int param1, int param2)
{
(void)param2;
bar(param1);
}
Or,
#define UNUSED(expr) do { (void)(expr); } while (0)
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void foo(int param1,...
Docker can't connect to docker daemon
...chine env default)" # Set environment variables
The docker-machine start command outputs the comments to guide the process.
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Git Commit Messages: 50/72 Formatting
Tim Pope argues for a particular Git commit message style in his blog post:
http://www.tpope.net/node/106 .
5 Answers
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PHP passing $_GET in linux command prompt
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Typically, for passing arguments to a command line script, you will use either argv global variable or getopt:
// bash command:
// php -e myscript.php hello
echo $argv[1]; // prints hello
// bash command:
// php -e myscript.php -f=world
$opts = getopt('f:')...
Group by multiple columns in dplyr, using string vector input
...oup_by_at(vars(one_of(columns))) %>%
summarize(Value = mean(value))
#compare plyr for reference
df2 <- plyr::ddply(data, columns, plyr::summarize, value=mean(value))
table(df1 == df2, useNA = 'ifany')
## TRUE
## 27
The output from your example question is as expected (see comparison to...
How do I check that a number is float or integer?
... isInt(""); && isInt(1.0); both result in true see this demo jsbin.com/elohuq/1/edit
– Champ
Oct 4 '12 at 9:43
9
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I get a “An attempt was made to load a program with an incorrect format” error on a SQL Server repli
...e 32-bit applications in your AppPool.
Source: http://www.alexjamesbrown.com/uncategorized/could-not-load-file-or-assembly-chilkatdotnet2-or-one-of-its-dependencies-an-attempt-was-made-to-load-a-program-with-an-incorrect-format/
Whilst setting up an application to run on my local machine (running...
SQL command to display history of queries
I would like to display my executed sql command history in my MYSQL Query Browser. What is the sql statement for displaying history?
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'\r': command not found - .bashrc / .bash_profile [duplicate]
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When all else fails in Cygwin...
Try running the dos2unix command on the file in question.
It might help when you see error messages like this:
-bash: '\r': command not found
Windows style newline characters can cause issues in Cygwin.
The dos2unix command modifies newline char...