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Unique constraint on multiple columns
How do I add a unique constraint for columns fcode, scode, dcode with t-sql and/or management studio ? fcode, scode, dcode must be unique together.
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Django - filtering on foreign key properties
...to filter a table in Django based on the value of a particular field of a ForeignKey .
3 Answers
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Tooltips for cells in HTML table (no Javascript)
Is it possible to have tooltips for table cells with no JavaScript. Can't use it.
6 Answers
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Background ListView becomes black when scrolling
...iew Tag
android:cacheColorHint="#00000000" // setting transparent color
For more details check this blog
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How to add an extra source directory for maven to compile and include in the build jar?
... Does eclipse really recognize such a folder as one of the buildpaths for anyone? 'cos it doesn't for me. FWIW, I use m2e to import the project.
– mystarrocks
Oct 30 '14 at 13:21
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await vs Task.Wait - Deadlock?
...til the task completes. So the current thread is literally blocked waiting for the task to complete. As a general rule, you should use "async all the way down"; that is, don't block on async code. On my blog, I go into the details of how blocking in asynchronous code causes deadlock.
await will asy...
RESTful web service - how to authenticate requests from other services?
...er and one on the client. It's main advantage is that it's harder to brute force. Hopefully you've got other protections in place to protect against that though.
I don't think your point A for the client certificate solution is difficult to resolve. You just use a branch. if (client side certificat...
How to move columns in a MySQL table?
...be aware that both syntax versions are specific to MySQL. They won't work, for example, in PostgreSQL or many other DBMSs.
Another edit: As pointed out by @Luis Rossi in a comment, you need to completely specify the altered column definition just before the AFTER modifier. The above examples just h...
Appropriate datatype for holding percent values?
What is the best datatype for holding percent values ranging from 0.00% to 100.00%?
5 Answers
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Call to getLayoutInflater() in places not in activity
... does not require casting which mine does. If the call to getSystemService for some (unlikely) reason does not return an object of type LayoutInflater then my code would cause a runtime exception.
– kaspermoerch
Jan 2 '18 at 14:46
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