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Open document with default OS application in Python, both in Windows and Mac OS
... open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python?
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Can every recursion be converted into iteration?
...sive form. Unless there's a compelling reason, you probably shouldn't (manually) convert these functions to an explicitly iterative algorithm. Your computer will handle that job correctly.
I can see one compelling reason. Suppose you've a prototype system in a super-high level language like [donnin...
What do I need to do to get Internet Explorer 8 to accept a self signed certificate?
...ght of the address bar and select “View certificates”.
Click on “Install Certificate...”, then in the wizard, click “Next”.
On the next page select “Place all certificates in the following store”.
Click “Browse”, select “Trusted Root Certification Authorities”, and click “O...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...;
Notes:
Set the 'src' last, to guarantee that your onload handler is called on all platforms, even if the image is already in the cache.
Wrap changes to stuff like globalAlpha between a save and restore (in fact use them lots), to make sure you don't clobber settings from elsewhere, particularl...
Significant new inventions in computing since 1980
... +1 for the most obvious but also the most easily forgotten because we all take it for granted :)
– PolyThinker
Jan 11 '09 at 15:22
20
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composer: How to find the exact version of a package?
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I know it's an old question, but...
composer.phar show
Will show all the currently installed packages and their version information. (This was shown in previous versions of Composer only when using the now-deprecated -i option.)
To see more details, specify the name of the package as wel...
Git stash twice
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You can get a list of all stashes with
git stash list
which will show you something like
stash@{0}: WIP on dev: 1f6f8bb Commit message A
stash@{1}: WIP on master: 50cf63b Commit message B
If you made two stashes, then just call git stash pop...
How do you connect to multiple MySQL databases on a single webpage?
I have information spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage.
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How may I reference the script tag that loaded the currently-executing script?
...synchronous scripts (defer & async)
Works with scripts inserted dynamically
Problems
Will not work in older browsers and IE.
Does not work with modules <script type="module">
2. Select script by id
Giving the script an id attribute will let you easily select it by id from within usi...
Difference between session affinity and sticky session?
...ation fails -- maybe you need to login again. Maybe you have lost data. Usually, the load-balancer picks another server and you keep going, but some state is lost. If this is unacceptable, then you need to get the state to the DB or other servers as quick as possible or have a stateless strategy.
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