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Batch equivalent of Bash backticks
...scripts with the for /f command:
for /f "usebackq tokens=*" %%a in (`echo Test`) do my_command %%a
Yeah, it's kinda non-obvious (to say the least), but it's what's there.
See for /? for the gory details.
Sidenote: I thought that to use "echo" inside the backticks in a "for /f" command would nee...
Inserting HTML into a div
... can use insertAdjacentHTML - however I dig into and make some performance tests - (2019.09.13 Friday) MacOs High Sierra 10.13.6 on Chrome 76.0.3809 (64-bit), Safari 12.1.2 (13604.5.6), Firefox 69.0.0 (64-bit) ). The test F is only for reference - it is out of the question scope because we need to i...
Which timestamp type should I choose in a PostgreSQL database?
... NULL DEFAULT NOW(),
CHECK(EXTRACT(TIMEZONE FROM my_timestamp) = '0')
);
test=> SET timezone = 'America/Los_Angeles';
SET
test=> INSERT INTO my_tbl (my_timestamp) VALUES (NOW());
ERROR: new row for relation "my_tbl" violates check constraint "my_tbl_my_timestamp_check"
test=> SET timezon...
iTextSharp - Sending in-memory pdf in an email attachment
...emoryStream.Position = 0;
mm.Attachments.Add(new Attachment(memoryStream, "test.pdf"));
If my memory serves me correctly, this solved a similar problem in a previous project.
See http://forums.asp.net/t/1093198.aspx
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Pythonic way to create a long multi-line string
...hion, I require adequate whitespace on the left end of every line for easy confirmation.
– Umbrella
Sep 21 '16 at 14:13
3
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Why and when to use Node.js? [duplicate]
...here all the developers have a range of training expertise. At least I can confirm it's based on sound reasons rather then ignorance. Writing large maintainable 100k+ code bases in node is a gigantic task. C++ already has had it's trail and error phase for this. Your right though a few comments on S...
Create module variables in Ruby
...name
end
end
Site.name # => "StackOverflow"
Site.setName("Test")
Site.name # => "Test"
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Can you supply arguments to the map(&:method) syntax in Ruby?
...
As the post you linked to confirms, a.map(&:class) is not a shorthand for a.map {|x| x.class} but for a.map(&:class.to_proc).
This means that to_proc is called on whatever follows the & operator.
So you could give it directly a Proc inst...
Calling JMX MBean method from a shell script
... I implemented it this way from Java using a HttpURLConnection and I can confirm that it works. (btw. submit=Invoke is unnecessary)
– tom
Jul 18 '18 at 11:54
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Oracle TNS names not showing when adding new connection to SQL Developer
...define the TNS_ADMIN variable in the .profile file in your home directory.
Confirm the os is recognizing this environmental variable
From the Windows command line:
echo %TNS_ADMIN%
From linux:
echo $TNS_ADMIN
Restart SQL Developer
Now in SQL Developer right click on Connections and select New Conn...