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How to convert a PIL Image into a numpy array?
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Open I as an array:
>>> I = numpy.asarray(PIL.Image.open('test.jpg'))
Do some stuff to I, then, convert it back to an image:
>>> im = PIL.Image.fromarray(numpy.uint8(I))
Filter numpy images with FFT, Python
If you want to do it explicitly for some reason, there are pi...
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
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@zairja I haven't tested it in vb.net, but it appears that the variable is defined for vb.net as well in msdn.microsoft.com/en-us/library/ms164891.aspx, however the cast is probably not defined for vb.net, and instead you should probably do Di...
Inheriting constructors
... B1 {
using B1::B1; // implicitly declares D1(int)
int x;
};
void test()
{
D1 d(6); // Oops: d.x is not initialized
D1 e; // error: D1 has no default constructor
}
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Download Github pull request as unified diff
...is requires you to setup Git with your credentials. You cannot anonymously test a proposed change (like you could by apply a diff manually). Yet another instance of Git taking a simple workflow and making it difficult.
– jww
Mar 23 '17 at 18:39
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How to join int[] to a character separated string in .NET?
...gth of items in input array and length of separator
string str = FastAllocateString(length);
fixed (char* chRef = &str.m_firstChar) // note than we use direct memory access here
{
UnSafeCharBuffer buffer = new UnSafeCharBuffer(chRef, length);
buffer.AppendString(value[startIndex]);
f...
Determine which element the mouse pointer is on top of in JavaScript
...with getElementsFromPoint), but it is wayyy slower (18-20ms per call in my testing in chrome) which makes it hard to use in the scenario I had in mind (finding drop targets during a drag in a case when using a more basic event-driven approach is not doable).
– jsdw
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Can I restore a single table from a full mysql mysqldump file?
...P TABLE.*`mytable`/,/UNLOCK TABLES/p' dump.sql > mytable.sql
Also for testing purpose, you may want to change the table name before importing:
sed -n -e 's/`mytable`/`mytable_restored`/g' mytable.sql > mytable_restored.sql
To import you can then use the mysql command:
mysql -u root -p'pa...
Best approach to remove time part of datetime in SQL Server
...t efficient way in SQL Server to get date from date+time?
I saw a similar test elsewhere with similar results too.
I prefer the DATEADD/DATEDIFF because:
varchar is subject to language/dateformat issues
Example: Why is my CASE expression non-deterministic?
float relies on internal storage
it ext...
How to make an element in XML schema optional?
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Indeed, tested it, and you only need to specify minOccurs="0" to make it optional if you want to allow one element max.
– Wouter Schut
Jan 10 '17 at 8:42
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Inner join vs Where
..., since it's self-explanatory.
There's no difference in speed(I have just tested it) and the execution plan is the same.
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