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How can I convert an RGB image into grayscale in Python?
...tute OpenCV (which does not leverage PIL/Pillow) for SciPy (which does). Nonetheless, thanks for the dedicated benchmarking! The discernable slowdown imposed by SciKit is fascinating... and horrifying.
– Cecil Curry
Nov 16 '17 at 7:47
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AddBusinessDays and GetBusinessDays
...This is the only solution that actually worked for me when converted to VB.Net
– Nicholas
Oct 1 '09 at 18:50
1
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Convert SQLITE SQL dump file to POSTGRESQL
... offers data copying across different databases:
http://sequel.jeremyevans.net/rdoc/files/doc/bin_sequel_rdoc.html#label-Copy+Databases
First install Ruby, then install the gem by running gem install sequel.
In case of sqlite, it would be like this:
sequel -C sqlite://db/production.sqlite3 postgre...
Open Facebook page from Android app?
...lt;/p>
*
* {@code newFacebookIntent(ctx.getPackageManager(), "https://www.facebook.com/JRummyApps");}
*
* @param pm
* The {@link PackageManager}. You can find this class through {@link
* Context#getPackageManager()}.
* @param url
* The full URL to the Facebook page or profile....
MongoDB relationships: embed or reference?
... was laid out, both the info and the presentation of it.
http://openmymind.net/Multiple-Collections-Versus-Embedded-Documents
It summarized:
As a general rule, if you have a lot of [child documents] or if they are large, a separate collection might be best.
Smaller and/or fewer documents tend to be...
Windows 7, 64 bit, DLL problems
...missing MySQL connector DLL file. After installing of MySQL Connector for .NET on server, the problem disappeared.
So, in short, the solution is: check if all your project references are there.
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Maximum size of an Array in Javascript
...ould try something like this to test and trim the length:
http://jsfiddle.net/orolo/wJDXL/
var longArray = [1, 2, 3, 4, 5, 6, 7, 8];
if (longArray.length >= 6) {
longArray.length = 3;
}
alert(longArray); //1, 2, 3
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Automating the InvokeRequired code pattern
...ain how thread.invokerequired works behind?
– Sudhir.net
Nov 28 '18 at 6:08
1
InvokeRequired tell...
Intelligent way of removing items from a List while enumerating in C#
...y enumerable, and List<T> specifically supports this method even in .NET 2.0.
– Palec
Mar 1 '16 at 11:11
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When to catch java.lang.Error?
...xception and checked Exceptions, but never Errors.
http://pmd.sourceforge.net/rules/strictexception.html
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