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How does a PreparedStatement avoid or prevent SQL injection?
... to be handled as the content of a parameter (and not as a part of the SQL command).
But if you don't use the user input as a parameter for your prepared statement but instead build your SQL command by joining strings together, you are still vulnerable to SQL injections even when using prepared sta...
.keyCode vs. .which
...s a reference, the link that @T.J. Crowder posted is much better: unixpapa.com/js/key.html.
– Tim Down
Dec 18 '10 at 12:11
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How do I check out a remote Git branch?
...can just do:
git fetch
git checkout test
As user masukomi points out in a comment, git checkout test will NOT work in modern git if you have multiple remotes. In this case use
git checkout -b test <name of remote>/test
or the shorthand
git checkout -t <name of remote>/test
With >1 ...
Why does installing Nokogiri on Mac OS fail with libiconv is missing?
...g like so:
brew update
Note: In OSX 10.9+ you may need to install xCode command tools to allow you to install libiconv.
xcode-select --install
then install a newer version of libiconv
brew install libiconv
then install your gem
gem install nokogiri -- --with-iconv-dir=/usr/local/Cellar/lib...
Simpler way to put PDB breakpoints in Python code?
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You can run your program into pdb from the command line by running
python -m pdb your_script.py
It will break on the 1st line, then you'll be able to add a breakpoint wherever you want in your code using the break command, its syntax is:
b(reak) [[filename:]...
Git - Undo pushed commits
... repository (development) and the server one (prod). I've been making some commited changes already pushed to remote and pulled from the server. Now, I want to undo those changes. So I could just git checkout to the commit before the changes and commit the new changes, but I'm guessing that there ...
Firefox session cookies
...ers to save all your tabs, and then you restore the browser and those tabs come back. That's called session restore. What I didn't realize is that it'll also restore all the session cookies for those pages too! It treats it like you had never closed the browser.
This makes sense in the sense that i...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
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Combining multiple git repositories
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Here's a solution I gave here:
First do a complete backup of your phd directory: I don't want to be held responsible for your losing years of hard work! ;-)
$ cp -r phd phd-backup
Move the content of phd/code to phd/code/code, and fix the history so that it looks ...
BackgroundWorker vs background Thread
...ckgroundWorker as a standard Thread.
The reason why BackgroundWorker is recommended for things that you don't want to tie up the UI thread is because it exposes some nice events when doing Win Forms development.
Events like RunWorkerCompleted to signal when the thread has completed what it needed ...