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Assigning default values to shell variables with a single command in bash
...r:?message}"
echo "If var is null or unset, message is printed to standard error. This checks that variables are set correctly."
echo "$\{var:+word}"
echo "If var is set, word is substituted for var. The value of var does not change."
...
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
...d.Sleep(1000);
}
setTextboxText(result);
}
More info about this error can be found on MSDN.
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...lows scientific notation eg 1.234E10 but is slower and subject to rounding error (1.2345678 could come after 1.2345679), numeric sort is just a regular alphabetic sort that knows 10 comes after 9.
See http://www.gnu.org/software/coreutils/manual/html_node/sort-invocation.html
‘-g’ ‘-...
Push Notifications in Android Platform
...nResult.SUCCESS) {
if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) {
GooglePlayServicesUtil.getErrorDialog(resultCode, this,
PLAY_SERVICES_RESOLUTION_REQUEST).show();
} else {
Log.d(TAG, "This device is no...
Installing SciPy and NumPy using pip
... Installing libblas-dev liblapack-dev resolved blas but then I got error: library dfftpack has Fortran sources but no Fortran compiler found so I needed all these to be able to install scipy. Thank you.
– naoko
Aug 16 '15 at 0:37
...
Any way to write a Windows .bat file to kill processes? [closed]
... this process is running. If this process is not running, it will throw an error.
So as to check before takskill is called, a check can be done to make sure execute taskkill will be executed only if the process is running, so that it won't throw error.
tasklist /fi "imagename eq applicationname.e...
ToList()— does it create a new list?
...nment like objectList[0].SimpleInt=5 would not be allowed (C# compile-time error). That is because the return value of the list indexer's get accessor is not a variable (it is a returned copy of a struct value), and therefore setting its member .SimpleInt with an assignment expression is not allowed...
Default value of 'boolean' and 'Boolean' in Java
...ithin a method you will have to initialize it, or there will be a compiler error.
If you declare as a primitive i.e. boolean. The value will be false by default if it's an instance variable (or class variable). If it's declared within a method you will still have to initialize it to either true o...
What is “with (nolock)” in SQL Server?
... to insert a duplicate key will not fail the transaction and generate an error rather just generate a warning. If you don't use this weird option you probably don't have to worry about getting rows twice
– JanHudecek
Mar 10 '12 at 13:00
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Running a command in a Grunt Task
...oBeExecuted = "sh myCommand.sh";
myTerminal(commandToBeExecuted, function(error, stdout, stderr) {
if (!error) {
//do something
}
});
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