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Difference between filter and filter_by in SQLAlchemy
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filter_by is used for simple queries on the column names using regular kwargs, like
db.users.filter_by(name='Joe')
The same can be accomplished with filter, not using kwargs, but instead using the '==' equality operator, which has been overloaded on the db.users.name object:
db.users.filter(d...
GRANT EXECUTE to all stored procedures
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Antony ScottAntony Scott
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...ation.
In addition, atomicity and other concurrency-guarantees might be broken, leading to subtle errors.
Here's an example using typical settings for an x86 processor (all used 32 and 64 bit modes):
struct X
{
short s; /* 2 bytes */
/* 2 padding bytes */
int i; /* 4 bytes...
How to see query history in SQL Server Management Studio
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[Since this question will likely be closed as a duplicate.]
If SQL Server hasn't been restarted (and the plan hasn't been evicted, etc.), you may be able to find the query in the plan cache.
SELECT t.[text]
FROM sys.dm_exec_cached_plans AS p
CROSS APP...
Getting Chrome to accept self-signed localhost certificate
...s. Even though the certificate is listed as correctly installed when I click "View certificate information" in Chrome's HTTPS popup, it still insists the certificate cannot be trusted.
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When do you use Java's @Override annotation and why?
...very time you override a method for two benefits. Do it so that you can take advantage of the compiler checking to make sure you actually are overriding a method when you think you are. This way, if you make a common mistake of misspelling a method name or not correctly matching the parameters, yo...
Emulate ggplot2 default color palette
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zx8754
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answered Nov 19 '11 at 22:04
John ColbyJohn C...
Aren't promises just callbacks?
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Promises are not callbacks. A promise represents the future result of an asynchronous operation. Of course, writing them the way you do, you get little benefit. But if you write them the way they are meant to be used, you can write asynchronous code...
Keyboard shortcut to “untab” (move a block of code to the left) in eclipse / aptana?
...ou can simply do SHIFT+TAB. It does the opposite of just TAB.
I would think and hope that the IDEs you mention support this as well.
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Difference between viewDidLoad and viewDidAppear
What is the difference between viewDidLoad and viewDidAppear ? What kind of initialization or custom code goes into those functions?
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