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Delete everything in a MongoDB database
...e, however if you're trying to use this for wiping the database in between test cases you may eventually find problems with index constraints not being honored after the database drop. As a result, you'll either need to mess about with ensureIndexes, or a simpler route would be avoiding the dropData...
Cannot obtain value of local or argument as it is not available at this instruction pointer, possibl
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By the way, if you want to test it in Release mode, you can add "Debugger.Launch();" in the code
– Jason
Sep 18 '18 at 7:23
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Functional design patterns [closed]
...raries
Making little languages
JSON serialization
Specification-based testing
Parsers
Purely functional parallelism
Purely functional state
Part III: Functional design patterns
The case for abstraction
Monoids
Functors
Monads
Applicative functors
Traversable and foldable data struc...
How can I force a hard reload in Chrome for Android
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For testing in the Android emulators Ctrl+Shift+R in devtools is really nice and quick. No turning any settings on and off etc. Thanks.
– Rainer Schwarze
Feb 19 '19 at 16:28
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How to ensure a form field is submitted when it is disabled?
...tly, with IIS, you put it before, with Apache you put it after. As always, testing is key.
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What's the difference between array_merge and array + array?
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Here's a simple illustrative test:
$ar1 = [
0 => '1-0',
'a' => '1-a',
'b' => '1-b'
];
$ar2 = [
0 => '2-0',
1 => '2-1',
'b' => '2-b',
'c' => '2-c'
];
print_r($ar1+$ar2);
print_r(array_merge($ar1,$ar2));
with...
What's the difference between console.dir and console.log?
...ust a bug in Chrome.
In Chrome, both do the same thing. Expanding on your test, I have noticed that Chrome gets the current value of the object when you expand it.
> o = { foo: 1 }
> console.log(o)
Expand now, o.foo = 1
> o.foo = 2
o.foo is still displayed as 1 from previous lines
> o...
SQL Update with row_number()
...eTarget.New_PaidOrderIndex AND UpdateTarget.PaidOrderIndex IS NOT NULL
-- test to 'break' some of the rows, and then run the UPDATE again
update [order] set PaidOrderIndex = 2 where PaidOrderIndex=3
The 'IS NOT NULL' part isn't required if the column isn't nullable.
When I say the performance ...
Go install fails with error: no install location for directory xxx outside GOPATH
...ce ~/go with your preferred GOPATH and subsequently change GOBIN). This is tested on Ubuntu 16.04 LTS.
export GOPATH=~/go
mkdir ~/go/bin
export GOBIN=$GOPATH/bin
The selected answer did not solve the problem for me.
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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
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After testing all of them, I think I will develop my own small JS lib to synchronize WebSQL with a server DB. It will be a double synch (local <-> server) and will not have any dependency. I'll post here the link to the code ...