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Replace console output in Python
...t of the bar.
def startprogress(title):
"""Creates a progress bar 40 chars long on the console
and moves cursor back to beginning with BS character"""
global progress_x
sys.stdout.write(title + ": [" + "-" * 40 + "]" + chr(8) * 41)
sys.stdout.flush()
progress_x = 0
def pr...
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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How can I limit possible inputs in a HTML5 “number” element?
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@Prasad - If Andy's answer is correct, select it, instead of the most up voted one.
– Moshe
Dec 4 '11 at 14:47
81
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Select columns from result set of stored procedure
...stored procedure that returns 80 columns, and 300 rows. I want to write a select that gets 2 of those columns. Something like
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In Vim, I'd like to go back a word. The opposite of `w`
...nd B to advance/go back a WORD (which
consists of a sequence of non-blank characters separated with white space, according to :h WORD).
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Is there a MySQL option/feature to track history of changes to records?
...i AFTER INSERT ON MyDB.data FOR EACH ROW
INSERT INTO MyDB.data_history SELECT 'insert', NULL, NOW(), d.*
FROM MyDB.data AS d WHERE d.primary_key_column = NEW.primary_key_column;
CREATE TRIGGER MyDB.data__au AFTER UPDATE ON MyDB.data FOR EACH ROW
INSERT INTO MyDB.data_history SELECT 'up...
Convert from ASCII string encoded in Hex to plain ASCII?
...ing="Latin1") 'päul' For those of us playing in binary, the extended characters choke on the default utf-8 decode, other than that, this is the most portable answer I see! Thanks!
– grambo
Nov 17 '17 at 16:14
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How to get current CPU and RAM usage in Python?
...ervice.ConnectServer(strComputer,"root\cimv2")
query_str = '''Select * from %s%s''' % (self.win32_perf_base,counter_type)
colItems = objSWbemServices.ExecQuery(query_str) # "Select * from Win32_PerfFormattedData_PerfProc_Process")# changed from Win32_Thread
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this.setState isn't merging states as I would expect
...do recursive merge.
You can use the value of the current state this.state.selected to construct a new state and then call setState() on that:
var newSelected = _.extend({}, this.state.selected);
newSelected.name = 'Barfoo';
this.setState({ selected: newSelected });
I've used function _.extend() ...
How do I find out if first character of a string is a number?
In Java is there a way to find out if first character of a string is a number?
5 Answers
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