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multiprocessing: sharing a large read-only object between processes?
... created earlier in the program?"
No (python before 3.8), and Yes in 3.8 (https://docs.python.org/3/library/multiprocessing.shared_memory.html#module-multiprocessing.shared_memory)
Processes have independent memory space.
Solution 1
To make best use of a large structure with lots of workers, do ...
How to configure heroku application DNS to Godaddy Domain?
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Your website may go down periodically if you use this solution. The IP may be changed (and it will) which will kill your A record DNS setup. You will have to do this every 2-3 months or after any outage at Heroku. We've been dealing with this an...
Why does !{}[true] evaluate to true in JavaScript?
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Reason for downvote guys? There is an almost identical answer to this one with 8 votes, and I get the downvote? What did I do wrong?
– Games Brainiac
Oct 31 '13 at 9:48
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Best design for a changelog / auditing database table? [closed]
...this minimalistic design was not sufficient. The typical audit was boiling down to questions like this:
Who the heck created/updated/deleted a record
with ID=X in the table Foo and when?
So, in order to be able to answer such questions quickly (using SQL), we ended up having two additional colu...
Disable EditText blinking cursor
...hTouchEvent(MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
View v = getCurrentFocus();
if (v instanceof EditText) {
EditText edit = ((EditText) v);
Rect outR = new Rect();
edit.getGlobalVisibleRect(outR);
Boolean...
Javascript Cookie with no expiration date
...Max-Age directive is a session cookie: it is deleted when the client shuts down. However, web browsers may use session restoring, which makes most session cookies permanent, as if the browser was never closed. (source: MDN)
– mfluehr
Jul 26 '19 at 13:29
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What are the benefits of dependency injection containers?
...essed in a configuration file may increase confusion and maintenance costs down the line.
Definitely DI code seems more cumbersome, the disadvantages of having all of those XML files that configure objects to be injected into other objects appears difficult. This is, however, the point of DI syst...
Android 4.3 menu item showAsAction=“always” ignored
... the path, but it happened. No error message, just an elusive bug to track down.
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MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
...ompile then anonymous types are not affected in the same way. This must be down to how Razor breaks up the dynamic compilation of the component parts of the view.
Once you correct the offending view, either rebuild the whole solution or clean and rebuild the project before checking to see if it's f...
Git diff against a stash
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"git diff stash@{0}^!" boils down to "git diff stash@{0} ^stash@{0}~1 ^stash@{0}~2 ......." but as git diff takes only 2 commits, it shows the diff between stash@{0} and ^stash@{0}~1 and looks the ^ at the beginning of 2nd commit doesn't make any differ...