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What does send() do in Ruby?
... variable before send, that means that the global Object is used:
send :to_s # "main"
send :class # Object
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How to have git log show filenames like svn log -v
...ready been pulled in. For example:
git log --name-only --pretty=format: my_local_branch --not origin/master
Would show all the files that have been changed on the local branch, but not yet merged to the master branch on the remote.
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Print a list in reverse order with range()?
... memory for the whole list? range can return an object that implements the __reversed__ method that allows efficient reverse iteration?
– avmohan
Aug 5 '17 at 10:45
...
Python: Checking if a 'Dictionary' is empty doesn't seem to work
...sing the first way only though. The other two ways are way too wordy.
test_dict = {}
if not test_dict:
print "Dict is Empty"
if not bool(test_dict):
print "Dict is Empty"
if len(test_dict) == 0:
print "Dict is Empty"
...
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) {
...
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?
...
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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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...
Find unique rows in numpy.array
...f unique values in any N-dim array. To get unique rows, one can do:
unique_rows = np.unique(original_array, axis=0)
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Can I mask an input text in a bat file?
...2/22/2013
::https://groups.google.com/forum/#!topic/alt.msdos.batch.nt/f7mb_f99lYI
@Echo Off
:HInput
SetLocal EnableExtensions EnableDelayedExpansion
Set "FILE=%Temp%.\T"
Set "FILE=.\T"
Keys List >"%File%"
Set /P "=Hidden text ending with Ctrl-C?: " <Nul
Echo.
Set "HInput="
:HInput_
For /F "...