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What is the at sign (@) in a batch file and what does it do?
...ecessary to leave a space between the "@" and the command.
When "echo" is set to "off" it is not necessary to use "@" because setting "echo" to "off" causes this behavior to become automatic. "Echo" is usually set to "on" by default when the execution of a script begins. This is the reason "@echo o...
How to force child div to be 100% of parent div's height without specifying parent's height?
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This is not a right answer, cuz this needs to set parent height. Question said 'without specifying parent's height?'.
– SkuraZZ
Mar 13 '19 at 7:28
3
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iTextSharp - Sending in-memory pdf in an email attachment
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The set_CloseStream method is only available in the Java version. This is iTextSharp (.NET)
– ichiban
Jul 28 '09 at 19:11
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Django Setup Default Logging
I can't seem to figure out how to setup a "default" logger for my Django installation. I would like to use Django 1.3's new LOGGING setting in settings.py .
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How can I stop a Postgres script when it encounters an error?
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I think the solution to add following to .psqlrc is far from perfection
\set ON_ERROR_STOP on
there exists much more simple and convenient way - use psql with parameter:
psql -v ON_ERROR_STOP=1
better to use also -X parameter turning off .psqlrc file usage.
Works perfectly for me
p.s. the so...
How to make IntelliJ IDEA insert a new line at every end of file?
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Change your Editor settings:
Settings → Editor → General → Ensure line feed at file end on Save
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How to test an SQL Update statement before running it?
...g the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you which rows will be updated:
SELECT *
FROM foo
WHERE col1 = 1
AND col2 = 'foobar';
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How do I do an initial push to a remote repository with Git?
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Kudos for listing the commands. This is how I've set up remote repositories too.
– Dave Bacher
Feb 25 '10 at 20:55
5
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How do I specify the exit code of a console application in .NET?
...ur Main method to return int.
You can call Environment.Exit(code).
You can set the exit code using properties: Environment.ExitCode = -1;. This will be used if nothing else sets the return code or uses one of the other options above).
Depending on your application (console, service, web app, etc)...
Why are Objective-C delegates usually given the property assign instead of retain?
...taining delegates is that you need to avoid a retain cycle:
A creates B
A sets itself as B's delegate
…
A is released by its owner
If B had retained A, A wouldn't be released, as B owns A, thus A's dealloc would never get called, causing both A and B to leak.
You shouldn't worry about A going a...