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How many random elements before MD5 produces collisions?
...get a unique filename. Since S3 can't have subdirectories, I need to store all of these images in a single flat folder.
8 A...
How to search a string in multiple files and return the names of files in Powershell?
... large operations like that. It becomes very convoluted when you try to do all of that on one line and it is very easy to make a large mistake. I speak from experience
– Kolob Canyon
Sep 6 '18 at 15:44
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How do Trigonometric functions work?
...angles between 0 and 45 degrees, you can bootstrap your way to calculating all trig functions for all angles.
Once you've reduced your argument, most chips use a CORDIC algorithm to compute the sines and cosines. You may hear people say that computers use Taylor series. That sounds reasonable, but...
Have a reloadData for a UITableView animate when changing
...the modes I have a different number of sections and cells per section. Ideally, it would do some cool animation when the table grows or shrinks.
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NSUserDefaults not cleared after app uninstall on simulator
...mulator 10 still presents this issue. Menu option is now Hardware .. Erase All Content and Settings
I submitted a bug report btw
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How to remove “Server name” items from history of SQL Server Management Studio
When trying to connect to a server in Management Studio (specifically 2008), there is a field where you enter the Server name. That field also has a drop-down list where it shows a history of servers that you have attempted to connect to.
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What is “overhead”?
... s/drive/go/ (If you're needing to drive somewhere you don't usually decide to walk...
– RCIX
May 19 '10 at 7:18
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What's the Point of Multiple Redis Databases?
...ce are no different than schemas in RDBMS database instances.
So, with all of that said, why/when would I ever want to use multiple
Redis databases instead of just spinning up an extra instance of Redis
for each extra database I want?
There's one clear advantage of using redis databases in...
Copy array items into another array
...y . Except I don't want newArray[0] to be dataArray . I want to push in all the items into the new array:
16 Answers
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
...2. Cannot add or update a child row: a foreign key constraint fails essentially means that, you are trying to add a row to your Ordrelinje table for which no matching row (OrderID) is present in Ordre table.
You must first insert the row to your Ordre table.
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