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Find full path of the Python interpreter?
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It seems that _ is set by the shell. But it need not be set, so this could give the wrong answer.
– vy32
Sep 23 '15 at 0:40
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How to format a JavaScript date
..., you can instead pass the value "default" to utilize the browser's locale settings, per MDN docs developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– wbharding
Jun 22 '19 at 17:49
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How to change the remote repository for a git submodule?
...ify it.
See "Git submodule url changed" and the new command
git submodule set-url [--] <path> <newurl>
Original answer (May 2009, ten years ago)
Actually, a patch has been submitted in April 2009 to clarify gitmodule role.
So now the gitmodule documentation does not yet include:
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How can I check the extension of a file?
I'm working on a certain program where I need to do different things depending on the extension of the file. Could I just use this?
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“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
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Get the same error while sending from outlook because of ssl. Tried setting EnableSSL = false resolved the issue.
example:
var smtp = new SmtpClient
{
Host = "smtp.gmail.com",
Port = 587,
EnableS...
Some built-in to pad a list in python
I have a list of size < N and I want to pad it up to the size N with a value.
10 Answers
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What is the usefulness of `enable_shared_from_this`?
I ran across enable_shared_from_this while reading the Boost.Asio examples and after reading the documentation I am still lost for how this should correctly be used. Can someone please give me an example and explanation of when using this class makes sense.
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Rails - Nested includes on Active Records?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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How to sum all column values in multi-dimensional array?
How can I add all the columnar values by associative key? Note that key sets are dynamic.
20 Answers
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Check existence of directory and create if doesn't exist
...ngs = FALSE:
dir.create(file.path(mainDir, subDir), showWarnings = FALSE)
setwd(file.path(mainDir, subDir))
dir.create() does not crash if the directory already exists, it just prints out a warning. So if you can live with seeing warnings, there is no problem with just doing this:
dir.create(fil...