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Rails: How to list database tables/objects using the Rails console?
...at databases/objects are available to you in the Rails console. I know you can see them using other tools, I am just curious.
Thanks.
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How to indicate param is optional using inline JSDoc?
According to the JSDoc wiki for @param you can indicate a @param is optional using
4 Answers
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TypeError: sequence item 0: expected string, int found
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Can also use .join(map(str, value_list))
– BallpointBen
May 17 '18 at 13:37
add a comment
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Count cells that contain any text
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You can pass "<>" (including the quotes) as the parameter for criteria. This basically says, as long as its not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can us...
Python argparse ignore unrecognised arguments
Optparse, the old version just ignores all unrecognised arguments and carries on. In most situations, this isn't ideal and was changed in argparse. But there are a few situations where you want to ignore any unrecognised arguments and parse the ones you've specified.
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How to add item to the beginning of List?
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Since .NET 4.7.1, you can use Append() and Prepend(). Check this answer
– aloisdg moving to codidact.com
Jan 8 at 10:13
ad...
is there an easy way to get the http status code in the failure block from AFHTTPClient?
I see that there is a list of accepted http status codes that I can modify, but I think it would be cleaner if I can get the http status code in the failure block ..
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How do I check out a specific version of a submodule using 'git submodule'?
... I commited the parent repo with a specific branch/version of a submodule, can others checkout the same version of submodule in the future? Or, they have to specified manually again?
– QZHua
Apr 7 '17 at 3:41
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What is the difference between “AS” and “IS” in an Oracle stored procedure?
...EATE TYPE someRecordType AS OBJECT
(
SomeCol VARCHAR2(12 BYTE)
);
You can create a loose Table type of this object type with either AS or IS
CREATE OR REPLACE TYPE someTableType
IS {or AS} TABLE OF someRecordType;
However, if you create this same table type within a package, you must...
Get value of dynamically chosen class constant in PHP
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@DavidBaucum why would you wanna over-complicate this? The request is quite simple and involves no outside, user manipulable input. Aside from that, you're calling another function because, I guess, you don't like the string to be concatenated with delimiters?
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