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How to get a JavaScript object's class?
...might also want to mention instanceof/isPrototypeOf() and the non-standard __proto__
– Christoph
Aug 8 '09 at 18:46
10
...
Export database schema into SQL file
...leType as table (ObjectID int)
here the SP:
create PROCEDURE [dbo].[util_ScriptTable]
@DBName SYSNAME
,@schema sysname
,@TableName SYSNAME
,@IncludeConstraints BIT = 1
,@IncludeIndexes BIT = 1
,@NewTableSchema sysname
,@NewTableName SYSNAME = NULL
,@UseSystemData...
How to convert a PIL Image into a numpy array?
....readthedocs.io/en/3.4.x/reference/…), but a pillow image implements the __array_interface__ which numpy can use to access the raw bytes of an image without having to pass through an iterator (see github.com/python-pillow/Pillow/blob/… and docs.scipy.org/doc/numpy/reference/arrays.interface.html...
JavaScript curry: what are the practical applications?
... return this; //nothing to curry with - return function
}
var __method = this;
var args = toArray(arguments);
return function() {
return __method.apply(this, args.concat([].slice.apply(null, arguments)));
}
}
...
Detect if Android device has Internet connection
...onseCode() == 200);
} catch (IOException e) {
Log.e(LOG_TAG, "Error checking internet connection", e);
}
} else {
Log.d(LOG_TAG, "No network available!");
}
return false;
}
Of course you can substitute the http://www.google.com URL for any other serv...
Get list of all routes defined in the Flask app
...
All the routes for an application are stored on app.url_map which is an instance of werkzeug.routing.Map. You can iterate over the Rule instances by using the iter_rules method:
from flask import Flask, url_for
app = Flask(__name__)
def has_no_empty_params(rule):
defaults...
Python concatenate text files
...path/to/output/file', 'w') as outfile:
for line in itertools.chain.from_iterable(itertools.imap(open, filnames)):
outfile.write(line)
Sadly, this last method leaves a few open file descriptors, which the GC should take care of anyway. I just thought it was interesting
...
How do I move files in node.js?
...e rename function to do that.
http://nodejs.org/docs/latest/api/fs.html#fs_fs_rename_oldpath_newpath_callback
fs.rename(oldPath, newPath, callback)
Added in: v0.0.2
oldPath <String> | <Buffer>
newPath <String> | <Buffer>
callback <Function>
Asynchronous...
Do sealed classes really offer performance Benefits?
... Release build configuration) emits identical MSIL, which is as follows:
L_0000: newobj instance void <NormalClass or SealedClass>::.ctor()
L_0005: stloc.0
L_0006: ldloc.0
L_0007: ldstr "a string"
L_000c: callvirt instance void <NormalClass or SealedClass>::WriteIt(string)
L_0011: ret...
How can I filter a Django query with a list of values?
...
From the Django documentation:
Blog.objects.filter(pk__in=[1, 4, 7])
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