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Alter table add multiple columns ms sql
...
You need to remove the brackets
ALTER TABLE Countries
ADD
HasPhotoInReadyStorage bit,
HasPhotoInWorkStorage bit,
HasPhotoInMaterialStorage bit,
HasText bit;
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Difference between 2 dates in SQLite
...3.
And we want to know the difference between this date and today.
sqlite> SELECT julianday() - julianday('2013-01-06');
34.7978485878557
The difference is 34 days. We can use julianday('now') for
better clarity. In other words, we do not need to put
date() or datetime() functions as paramete...
Update value of a nested dictionary of varying depth
...epth=-1):
"""
Recursively merge or update dict-like objects.
>>> update({'k1': {'k2': 2}}, {'k1': {'k2': {'k3': 3}}, 'k4': 4})
{'k1': {'k2': {'k3': 3}}, 'k4': 4}
"""
for k, v in u.iteritems():
if isinstance(v, Mapping) and not depth == 0:
r = up...
Is there a use-case for singletons with database access in PHP?
...ingleton:
Imagine the below is inside a given database singleton:
$this->connections = array(); (wrong syntax, I just typed it like this to give you the picture - the proper declaration of the variable is public $connections = array(); and its usage is $this->connections['connectionkey'] nat...
What is a coroutine?
...is cooperatively passed between two different routines without returning. <-- This is concurrency. The word you are looking for is parallelism.
– Adam Arold
Dec 10 '18 at 12:37
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(![]+[])[+[]]… Explain why this works
... could come from Infinity for example: (+!+[]/+[+[]]+[])[!+[]+!+[]+!+[]] => (1/0+'')[3] => (Infinity+'')[3] => 'i'
– Christian C. Salvadó
Sep 23 '11 at 15:07
5
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How do you exit from a void function in C++?
...
You mean like this?
void foo ( int i ) {
if ( i < 0 ) return; // do nothing
// do something
}
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follow
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How do you access the matched groups in a JavaScript regular expression?
..., str) {
const array = [...str.matchAll(regexp)];
return array.map(m => m[1]);
}
// or:
function getFirstGroup(regexp, str) {
return Array.from(str.matchAll(regexp), m => m[1]);
}
In the meantime, while this proposal gets more wide support, you can use the official shim package.
Also...
How to manage a redirect request after a jQuery Ajax call
...thing like:
function cbWrapper(data, funct){
if($("#myForm", data).length > 0)
top.location.href="login.htm";//redirection
else
funct(data);
}
Then, when making the Ajax call we used something like:
$.post("myAjaxHandler",
{
param1: foo,
param2:...
Java variable number or arguments for a method
...ents are handled like an array, so you could probably simply do varargs.length
– LMD
May 25 '17 at 14:23
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