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Ignore .pyc files in git repository
...contain a slash /, git treats it as a shell
glob pattern and checks for a match against the pathname relative
to the location of the .gitignore file (relative to the toplevel of
the work tree if not from a .gitignore file).
· Otherwise, git treats the pattern as a shell gl...
Checking if form has been submitted - PHP
What is the best way of checking whether or not a form has been submitted to determine whether I should pass the form's variables to my validation class?
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Check if a folder exist in a directory and create them using C#
...lder in %APPDATA% or %LOCALAPPDATA% instead (use Environment.GetFolderPath for that). The MSDN page of the Environment.SpecialFolder enumeration contains a list of special operating system folders and their purposes.
share
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C++ map access discards qualifiers (const)
...rns a reference to the value that is mapped to a key equivalent to key, performing insertion if such key does not already exist.
As a result, your function cannot be declared const, and use the map's operator[].
std::map's find() function allows you to look up a key without modifying the map.
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How can you determine a point is between two other points on a line segment?
... points (called a and b) on it represented by an x integer and a y integer for each point.
20 Answers
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List comprehension: Returning two (or more) items for each item
Is it possible to return 2 (or more) items for each item in a list comprehension?
6 Answers
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Best explanation for languages without null
...ave selected as my representation admit this state, I must expend mental effort to ensure that the class never gets into this state (perhaps by explicitly coding an invariant). In contrast, if I were using a language with algebraic data types or checked enumerations that lets me define
type DoorSt...
Counting the Number of keywords in a dictionary in python
... way to count the number of keywords or is there another way I should look for distinct words?
5 Answers
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Validating email addresses using jQuery and regex
...i.com/jquery-validate-e-mail-address-regex/
using new regex
added support for Address tags (+ sign)
function isValidEmailAddress(emailAddress) {
var pattern = /^([a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+(\.[a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uF...
Can you run GUI applications in a Docker container?
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This will create a Docker container running VNC with the password 1234:
For Docker version 18 or newer:
docker run -p 5900:5900 -e HOME=/ creack/firefox-vnc x11vnc -forever -usepw -create
For Docker version 1.3 or newer:
docker run -p 5900 -e HOME=/ creack/firefox-vnc x11vnc -forever -usepw -...