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How to randomize (or permute) a dataframe rowwise and columnwise?
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exactly what I needed!
– ChuckCottrill
Jul 22 '18 at 23:20
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stop all instances of node.js server
...esses running, you can tell your machine to kill all processes named node.exe. That would look like this:
taskkill /im node.exe
And if the processes still persist, you can force the processes to terminate by adding the /f flag:
taskkill /f /im node.exe
If you need more fine-grained control and...
how to use python to execute a curl command
I want to execute a curl command in python.
7 Answers
7
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Change Bootstrap input focus blue glow
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In the end I changed the following css entry in bootstrap.css
textarea:focus,
input[type="text"]:focus,
input[type="password"]:focus,
input[type="datetime"]:focus,
input[type="datetime-local"]:focus,
input[type="date"]:focus,
input[type="month"]:focus,
input[type="time"]:focus,
input[type...
What's wrong with nullable columns in composite primary keys?
...the clearest to more people. I still feel that the answer by Tony Andrews explains the intention behind this design better; do check it out as well!
– Roman Starkov
Feb 16 '15 at 15:24
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How do I pass an extra parameter to the callback function in Javascript .filter() method?
...wordToCompare) {
return function(element) {
return element.indexOf(wordToCompare) === 0;
}
}
addressBook.filter(startsWith(wordToCompare));
Another option would be to use Function.prototype.bind [MDN] (only available in browser supporting ECMAScript 5, follow a link for a shim for...
How to grant remote access to MySQL for a whole subnet?
...man/5.1/en/grant.html
You can specify wildcards in the host name. For example, user_name@'%.example.com' applies to user_name for any host in the example.com domain, and user_name@'192.168.1.%' applies to user_name for any host in the 192.168.1 class C subnet.
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How can I export tables to Excel from a webpage [closed]
How can I export tables to Excel from a webpage. I want the export to contain all the formatting and colours.
14 Answers
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
... (faulted or canceled tasks). Awaiting manually in sequence would cause unexpected concurrency because the part of your program that wants to wait will actually continue early.
I think it also makes reading the code easier because the semantics that you want are directly documented in code.
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Get the size of the screen, current web page and browser window
...dowHeight , pageWidth , pageHeight , screenWidth , screenHeight , pageX , pageY , screenX , screenY which will work in all major browsers?
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