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How do ACID and database transactions work?
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ACID is a set of properties that you would like to apply when modifying a database.
Atomicity
Consistency
Isolation
Durability
A transaction is a set of related changes which is used to achieve some of the ACID properties. Transactions are tools to achieve the ACID properties.
Atomici...
How do I get Flask to run on port 80?
...rowing up that error message because you have apache2 running on port 80.
If this is for development, I would just leave it as it is on port 5000.
If it's for production either:
Not Recommended
Stop apache2 first;
Not recommended as it states in the documentation:
You can use the builtin...
Received an invalid column length from the bcp client for colid 6
... cell data that exceed the datacolumn datatype length in the database.
Verify the data in excel. Also verify the data in the excel for its format to be in compliance with the database table schema.
To avoid this, try exceeding the data-length of the string datatype in the database table.
Hope thi...
disable nganimate for some elements
I'm using the ngAnimate module, but all my ng-if , ng-show , etc, are affected by that, I want to leverage ngAnimate for some selected elements.
For performance and some bugs in elements that shows and hide very speedy.
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How to get maximum value from the Collection (for example ArrayList)?
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Yes, iterating through the list is O(n log(n)) but if "There is no particularly efficient way", what do you propose that is a better solution besides checking them all?
– gotomanners
Nov 29 '11 at 9:53
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How do I update the notification text for a foreground service in Android?
...have a foreground service setup in Android. I would like to update the notification text. I am creating the service as shown below.
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Does a finally block run even if you throw a new Exception?
In this code will someVar be set even if the catch block is executed and the second Exception is thrown?
6 Answers
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How to hide one item in an Android Spinner
...at the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one item in the spinner that doesn't generate a callback, namely the current one.
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How do I remove an array item in TypeScript?
...that I've created in TypeScript and it has a property that I use as a key. If I have that key, how can I remove an item from it?
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How to push to a non-bare Git repository?
...ions was added in Git 2.3, and it makes the server update its working tree if it is clean.
So if you ensure that you always commit before you pull locally, and keep a clean working tree on the server (which you should do to avoid having merge conflicts), then this option is a good solution.
Sample...