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Real life example, when to use OUTER / CROSS APPLY in SQL
...ifferently. That article was sent from the heavens!! The focus on proper indexing matching the order by directions helped in a big way for queries that have "proper" structure but performance issues when queried. Thank you for including it!!
– Chris Porter
A...
Mercurial error: abort no username supplied
...rial. I found the answer in an inobvious place so I'm asking/answering the question myself so others don't have to search like I did.
...
Is it possible to send an array with the Postman Chrome extension?
... variable name with [] like this:
If that doesn't work, try not putting indexes in brackets:
my_array[] value1
my_array[] value2
Note:
If you are using the postman packaged app, you can send an array by selecting raw / json (instead of form-data). Also, make sure to set Content-Type as ...
Sign APK without putting keystore info in build.gradle
...
I had to remove the quotes from my keystore.properties
– Jacob Tabak
Jan 26 '14 at 7:58
6
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What are the differences between vector and list data types in R?
...
As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it.
A list is really an array + a hashmap. It's a PHP associative array.
> foo = list(bar='baz')
> foo[1]
'baz'
> foo$bar
'baz'
> foo[['bar']]
'baz'
A vector is a f...
Keyboard shortcut to change font size in Eclipse?
...
I know it has been long since the original question was posted, but for future reference:
check this project, https://github.com/gkorland/Eclipse-Fonts
I have used it, and it's very simple and efficient.
...
Among $_REQUEST, $_GET and $_POST which one is the fastest?
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$_REQUEST, by default, contains the contents of $_GET, $_POST and $_COOKIE.
But it's only a default, which depends on variables_order ; and not sure you want to work with cookies.
If I had to choose, I would probably not use $...
What are the most common SQL anti-patterns? [closed]
...Human readable password fields, egad. Self explanatory.
Using LIKE against indexed
columns, and I'm almost tempted to
just say LIKE in general.
Recycling SQL-generated PK values.
Surprise nobody mentioned the
god-table yet. Nothing says
"organic" like 100 columns of bit
flags, large strings and inte...
How do I prevent node.js from crashing? try-catch doesn't work
From my experience, a php server would throw an exception to the log or to the server end, but node.js just simply crashes. Surrounding my code with a try-catch doesn't work either since everything is done asynchronously. I would like to know what does everyone else do in their production servers.
...
How to understand Locality Sensitive Hashing?
... a set of documents/images/objects and outputs a kind of Hash Table.
The indexes of this table contain the documents such that documents that are on the same index are considered similar and those on different indexes are "dissimilar".
Where similar depends on the metric system and also on a thr...