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Implementing Comments and Likes in database
...designer will not have complete and perfect foresight: some schema changes down the road will be needed as usage patterns emerge or requirements change.
If this is a one man project, program the database interface into simple operations using stored procedures: add_user, update_user, add_comment, ...
What is the difference between class and instance methods?
... was an Obj-C question. Hopefully my answer still applies but please vote down or vote to delete.
– Robert Horvick
Jun 27 '09 at 20:52
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When is CRC more appropriate to use than MD5/SHA1?
...est each application of it for suitability.
UPDATE
It seems the site is down. The internet archive has a copy though.
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Average of 3 long integers
..., this can give a result that is off by one, namely rounded up rather than down, if negative values for the variables are allowed. For instance if x,y are positive multiples of 3, and z is -2, you get (x+y)/3 which is too much.
– Marc van Leeuwen
May 30 '14 at ...
Fixed size queue which automatically dequeues old values upon new enques
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Voting down for the reasons mentioned (locking when using a ConcurrentQueue is bad) in addition to not implementing any of the requisite interfaces for this to be a true collection.
– Josh
Apr ...
Create the perfect JPA entity [closed]
...o try and find out the general best practice for each issue and write this down for personal use.
I would not mind however for anyone to comment on it or to tell me where I'm wrong.
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Force browser to clear cache
...ionCache.status == window.applicationCache.UPDATEREADY) {
// Browser downloaded a new app cache.
// Swap it in and reload the page to get the new hotness.
window.applicationCache.swapCache();
if (confirm('A new version of this site is available. Load it?')) {
window.l...
Using a piano keyboard as a computer keyboard [closed]
...ould go for AutoItX, the ActiveX/COM and DLL interface to autoIt. Info and download, go to http://www.autoitscript.com/site/autoit/
No need to write keyboard driver.
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...(params) worked like a charm! You saved me countless hours of having to go down an extremely painful road.
– horcle_buzz
Nov 2 '15 at 3:00
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How to calculate moving average without keeping the count and data-total?
...uation the value or running average always slowly increases. It never goes down - only up.
– anon58192932
Mar 6 '18 at 1:52
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