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What is stack unwinding?
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reading Nikolai's, jrista's and your answer in this order, now it makes sense!
– n611x007
Aug 10 '12 at 13:46
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JPA: what is the proper pattern for iterating over large result sets?
... not safe if there are new inserts during the batch process. The user must order based on a column where it is sure that newly inserted data will be on the end of the result list.
– Balazs Zsoldos
Nov 15 '12 at 15:22
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Watch multiple $scope attributes
...bject in scope.
$scope.$watchGroup(
[function () { return _this.$scope.ViewModel.Monitor1Scale; },
function () { return _this.$scope.ViewModel.Monitor2Scale; }],
function (newVal, oldVal, scope)
{
if (newVal != oldVal) {
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Replace console output in Python
...his is something I am using:
def startProgress(title):
global progress_x
sys.stdout.write(title + ": [" + "-"*40 + "]" + chr(8)*41)
sys.stdout.flush()
progress_x = 0
def progress(x):
global progress_x
x = int(x * 40 // 100)
sys.stdout.write("#" * (x - progress_x))
s...
Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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How to copy Java Collections list
...low copy of a within b. All elements will exist within b in the exact same order that they were within a (assuming it had an order).
Similarly, calling
// note: instantiating with a.size() gives `b` enough capacity to hold everything
List<String> b = new ArrayList<String>(a.size());
Co...
In Ruby, is there an Array method that combines 'select' and 'map'?
...ns as its eager version. It doesn't speed anything up, it just changes the order of execution of each iteration—the last function in the chain "pulls" values as needed from the previous functions in reverse order.
– pje
Feb 13 '18 at 17:15
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multiple prints on the same line in Python
... can use the print statement to do this without importing sys.
def install_xxx():
print "Installing XXX... ",
install_xxx()
print "[DONE]"
The comma on the end of the print line prevents print from issuing a new line (you should note that there will be an extra space at the end of the ou...
AngularJS access scope from outside js function
... over it: github.com/angular/angular.js/wiki/When-to-use-$scope.$apply(). _If you are doing if (!$scope.$$phase) $scope.$apply() it's because you are not high enough in the call stack._
– scheffield
Sep 29 '14 at 14:44
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What is the default value for enum variable?
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I think it's quite dangerous to rely on the order of the values in a enum and to assume that the first is always the default. This would be good practice if you are concerned about protecting the default value.
enum E
{
Foo = 0, Bar, Baz, Quux
}
Otherwise, all i...