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How to get the number of Characters in a String?
...o 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new runtime function to count runes in a string.
Modifies the compiler to ...
Which is the preferred way to concatenate a string in Python?
...esulting string is a million characters long, appending was still faster.
Now let's try with appending a thousand character long string a hundred thousand times:
a += b:
0.41823482513427734
a.append(b):
0.010656118392944336
The end string, therefore, ends up being about 100MB long. That was pret...
Check if a Windows service exists and delete in PowerShell
...l 3.0, the cmdlet Get-WmiObject has been superseded by Get-CimInstance. So nowadays you can do this: Stop-Service 'servicename'; Get-CimInstance -ClassName Win32_Service -Filter "Name='servicename'" | Remove-CimInstance
– Rosberg Linhares
Apr 19 '18 at 15:36
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Why can't the tag contain a tag inside it?
As far as I know, this is right:
5 Answers
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Android customized button; changing text color
...ered Jun 28 '17 at 5:35
SeekingKnowlegesSeekingKnowleges
12322 silver badges99 bronze badges
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Purpose of #!/usr/bin/python3
...e: #!/bin/bash.
Without the shebang line, the operating system does not know it's a python script, even if you set the execution flag on the script and run it like ./script.py. To make the script run by default in python3, either invoke it as python3 script.py or set the shebang line.
You can use...
Reading specific lines only
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linecache now appears to only work for python source files
– Paul H
Oct 11 '17 at 17:32
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Set element focus in angular way
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That's very nice, and has been working well for me. But now I have a set of inputs using ng-repeat, and I only want to set the focus function for the first one. Any idea how I could conditionally set a focus function for <input> based on $index for example?
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What does the Ellipsis object do?
... FYI, the FastAPI framework (which is for python 3.6+) also (now) uses it. fastapi.tiangolo.com/tutorial/query-params-str-validations
– Andrew Allaire
Jul 17 '19 at 18:02
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Mocking Extension Methods with Moq
...ET's profiler API to mock objects and so can replace any calls. The two I know are Telerik's JustMock and TypeMock Isolator.
– Marcel Gosselin
Aug 24 '11 at 4:34
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