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SQL standard to escape column names?
...ody> <double quote>
Oracle, PostgreSQL, MySQL, MSSQL and SQlite all support " as the identifier delimiter.
They don't all use " as the 'default'. For example, you have to be running MySQL in ANSI mode and SQL Server only supports it when QUOTED_IDENTIFIER is ON.
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Missing Maven dependencies in Eclipse project
We have a project set up with maven for resolving dependancies. It usually works fine, but now I am trying to compile and run it on a new PC and I have problem with missing dependencies in Eclipse.
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Logging best practices [closed]
...s until after Filter.ShouldTrace() has succeeded. This means no expensive calls to ToString() on parameter values until after the system has confirmed message will actually be logged.
The Trace.CorrelationManager allows you to correlate log statements about the same logical operation (see below)....
Are Java static calls more or less expensive than non-static calls?
...e any difference. Hotspot may choose to optimize in ways that make static calls faster for one method, non-static calls faster for another.
Third: much of the mythos surrounding static versus non-static are based either on very old JVMs (which did not do anywhere near the optimization that Hotspot ...
configure Git to accept a particular self-signed server certificate for a particular https remote
...ct repos.sample.com:443
Catch the output into a file cert.pem and delete all but part between (and including) -BEGIN CERTIFICATE- and -END CERTIFICATE-
Content of resulting file ~/git-certs/cert.pem may look like this:
-----BEGIN CERTIFICATE-----
MIIDnzCCAocCBE/xnXAwDQYJKoZIhvcNAQEFBQAwgZMxCzAJB...
RSpec: What is the difference between a feature and a request spec?
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The conceptual difference is that you're usually testing a user story, and all interaction should be driven via the user interface. That's where Capybara comes in. A request spec is still testing the behavior of your application and doesn't have the expectation of re...
How to detect a textbox's content has changed
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The only downfall of 'input' is that it is not compatible with IE < 9.
– Catfish
Mar 21 '13 at 20:02
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What is the function of the push / pop instructions used on registers in x86 assembly?
...es. The general usage is
push eax ; preserve the value of eax
call some_method ; some method is called which will put return value in eax
mov edx, eax ; move the return value to edx
pop eax ; restore original eax
A push is a single instruction in x86, which do...
How are cookies passed in the HTTP protocol?
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so in any request that is made, are all the cookies ipso facto sent?
– BKSpurgeon
Feb 7 '18 at 0:19
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iphone ios running in separate thread
... everything you need with performSelector:withObject:afterDelay: and avoid all of the issues that come with multi-threaded programming.
– Jacques
Oct 6 '10 at 4:15
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