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In the shell, what does “ 2>&1 ” mean?
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but then shouldn't it rather be &2>&1?
– dokaspar
Sep 4 '13 at 6:12
331
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PHP: How to check if image file exists?
...filename)) {
… }
Also, make sure $filename is properly validated. And then, it will only work when allow_url_fopen is activated in your PHP config
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How should I ethically approach user password storage for later plaintext retrieval?
...d to be in plaintext: if it's so that the user can retrieve the password, then strictly speaking you don't really need to retrieve the password they set (they don't remember what it is anyway), you need to be able to give them a password they can use.
Think about it: if the user needs to retrieve...
Why do I need to explicitly push a new branch?
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So if you make branches like this:
git checkout -b my-new-branch
and then make some commits and then do a
git push -u
to get them out to origin (being on that branch) and it will create said branch for you if it doesn't exist.
Note the -u bit makes sure they are linked if you were to pull ...
wget/curl large file from google drive
... 0Bz8a_Dbh9QhbNU3SGlFaDg
You can get it by right clicking on the file and then Get shareable link.
Only work on open access files (Anyone who has a link can View).
Does not work for directories.
Tested on Google Colab.
Works best on file download.
Use tar/zip to make it a single file.
Example: t...
Providing a default value for an Optional in Swift?
... case .Some(let value):
return value
}
}
}
Then you can just do:
optionalValue.or(defaultValue)
However, I recommend sticking to the ternary operator as other developers will understand that much more quickly without having to investigate the or method
Note: I sta...
How do I find which program is using port 80 in Windows? [duplicate]
...ator" (on Windows XP you can just run it as usual), run netstat -anb, and then look through output for your program.
BTW, Skype by default tries to use ports 80 and 443 for incoming connections.
You can also run netstat -anb >%USERPROFILE%\ports.txt followed by start %USERPROFILE%\ports.txt to...
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
...he2, you should have apache2.conf - simply add:
ServerName localhost
Then restart the apache2 service.
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fatal: early EOF fatal: index-pack failed
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@EthenA.Wilson You need to pass in the remote url for the repository afterwards. E.g. git clone --depth 1 git@host:user/my_project.git.
– Nathan Gould
Aug 27 '14 at 17:44
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Select n random rows from SQL Server table
...t, looping through the temp table and updating each row with RAND() , and then selecting from that table where the random number column < 0.1. I'm looking for a simpler way to do it, in a single statement if possible.
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