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Is it safe to ignore the possibility of SHA collisions in practice?
...ssing on the so-called "birthday paradox". Have a better look at the "nice table", it does not work the way you think. For the figures I give, in that table, it would be a value "10^9" in a column labelled "4.3*10^-60" and row "128 bits" (but the table does not go below 10^-18).
...
Can PostgreSQL index array columns?
...e to use the array operators and the GIN-index type.
Example:
CREATE TABLE "Test"("Column1" int[]);
INSERT INTO "Test" VALUES ('{10, 15, 20}');
INSERT INTO "Test" VALUES ('{10, 20, 30}');
CREATE INDEX idx_test on "Test" USING GIN ("Column1");
-- To enforce index usage because...
Concrete Javascript Regex for Accented Characters (Diacritics)
...öø-ÿ] // as above but not including [ ] ^ \ × ÷
See https://unicode-table.com/en/ for characters listed in numeric order.
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What is the difference between inversedBy and mappedBy?
...ssocation.
The owning side of a OneToOne assocation is the entity with the table containing the foreign key.
See https://www.doctrine-project.org/projects/doctrine-orm/en/latest/reference/unitofwork-associations.html
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In Visual Studio C++, what are the memory allocation representations?
...tually quite a bit of useful information added to debug allocations. This table is more complete:
http://www.nobugs.org/developer/win32/debug_crt_heap.html#table
Address Offset After HeapAlloc() After malloc() During free() After HeapFree() Comments
0x00320FD8 -40 0x01090009 0x01090009 ...
AngularJS ngClass conditional
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Using ng-class inside ng-repeat
<table>
<tbody>
<tr ng-repeat="task in todos"
ng-class="{'warning': task.status == 'Hold' , 'success': task.status == 'Completed',
'active': task.status == 'Started', '...
Performing user authentication in Java EE / JSF using j_security_check
...thenticate users based on username and MD5-hashed passwords in my database table:
http://blog.gamatam.com/2009/11/jdbc-realm-setup-with-glassfish-v3.html
Note: the post talks about a user and a group table in the database. I had a User class with a UserType enum attribute mapped via javax.persiste...
How to work around the lack of transactions in MongoDB?
...is that, in a relational database, we need to make changes across multiple tables. Usually tables that need to be joined and so we want to do that all at once. And to do it, since there are multiple tables, we'll have to begin a transaction and do all those updates and then end the transaction. But ...
Expanding a parent to the height of its children
...erflow:auto;
UPDATE:
One more solution that worked:
Parent:
display: table;
Child:
display: table-row;
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...ing this issue is because of how you've set your primary key in your child table. It should be composite, but it's not. So, Entity Framework sees this association as aggregation, which means, when you remove or clear the child objects, it's not going to delete the child records. It'll simply remove ...