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Separating class code into a header and cpp file
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Remember that if you are doing template programming, then you have to keep everything in the .h file so that the compiler will instantiate the right code at the moment of compilation.
– linello
Mar 6 '12 at 8:14...
Git error: “Host Key Verification Failed” when connecting to remote repository
...ears to change. This prevents man in the middle attacks.
The host key for domain.com has changed. If this does not seem fishy to you, remove the old key from your local cache by editing ${HOME}/.ssh/known_hosts to remove the line for domain.com or letting an SSH utility do it for you with
ssh-keyg...
Why can't decimal numbers be represented exactly in binary?
...O about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation.
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Yes/No message box using QMessageBox
How do I show a message box with Yes/No buttons in Qt, and how do I check which of them was pressed?
6 Answers
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What does axis in pandas mean?
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I still feel confusing. If I do df.drop("A", axis = 1) then the A column will be dropped. It is not "along the row" nor "row-wise" but dropping column A.
– ytu
Feb 23 '18 at 4:42
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Should logger be private static or not
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@inor: "incorrectly"? If you don't want to abstract the class, then you should just not use the inherited getClass() in first place. There are developers which do find it correct and useful as it reveals information in which subclass exactly the logic ha...
git pull keeping local changes
...easy because you know that what you put in the stash is what you want. So do this:
git checkout --theirs -- config.php
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Find files and tar them (with spaces)
... repeatedly overwrite your backup.tar.gz like using tar -c with xargs will do when you have a large number of files
Also see:
GNU tar manual
How can I build a tar from stdin?, search for null
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SQLite in Android How to update a specific row
...te a specific row for a while now, and it seems that there are two ways to do this. From what I've read and tried, you can just use the:
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Class 'DOMDocument' not found
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You need to install the DOM extension. You can do so on Debian / Ubuntu using:
sudo apt-get install php-dom
And on Centos / Fedora / Red Hat:
yum install php-xml
If you get conflicts between PHP packages, you could try to see if the specific PHP v...