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Capture characters from standard input without waiting for enter to be pressed
...up so infrequently for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter).
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What's the best way to do a backwards loop in C/C#/C++?
...mpile time, if given a pointer:
template<typename T, std::size_t N> char (& array_size(T(&)[N]) )[N];
It works by getting the size of the passed array first, and then declaring to return a reference to an array of type char of the same size. char is defined to have sizeof of: 1. So ...
Removing all non-numeric characters from string in Python
How do we remove all non-numeric characters from a string in Python?
7 Answers
7
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What is the use of the square brackets [] in sql statements?
... want to Replace All in a script. If your batch contains a variable named @String and a column named [String], you can rename the column to [NewString], without renaming @String to @NewString.
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How can I find the last element in a List?
...on, how to address the last element of a List safely...
Assuming
List<string> myList = new List<string>();
Then
//NOT safe on an empty list!
string myString = myList[myList.Count -1];
//equivalent to the above line when Count is 0, bad index
string otherString = myList[-1];
"coun...
How can I use grep to find a word inside a folder?
... My searches for grep syntax shows I must specify the filename, i.e. grep string filename .
14 Answers
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Specify sudo password for Ansible
...ord that you used when creating your secret file. The password should be a string stored as a single line in the file.
From the Ansible Docs:
.. ensure permissions on the file are such that no one else can access your key and do not add your key to source control
Finally: you can now run your...
How to specify the order of CSS classes?
...tyle rules appear in your .css file. In your example, .basic comes after .extra so the .basic rules will take precedence wherever possible.
If you want to provide a third possibility (e.g., that it's .basic but that the .extra rules should still apply), you'll need to invent another class, .basic-...
Why should I care about lightweight vs. annotated tags?
... it in the continuous integration system and a couple of times the version string was not what I'd expect.
– jjmontes
May 10 '18 at 14:13
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Is there a JavaScript function that can pad a string to get to a determined length?
...und this solution here and this is for me much much simpler:
var n = 123
String("00000" + n).slice(-5); // returns 00123
("00000" + n).slice(-5); // returns 00123
(" " + n).slice(-5); // returns " 123" (with two spaces)
And here I made an extension to the string object:
String.prototype.pa...