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Is there a timeout for idle PostgreSQL connections?
I see a lot of them. We are trying to fix our connection leak. But meanwhile, we want to set a timeout for these idle connections, maybe max to 5 minute.
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Building a minimal plugin architecture in Python
...hich plugins are active, but that's a nice-to-have.
Of course, any requirement that comes along saying "I don't need [big, complicated thing] X; I just want something lightweight" runs the risk of re-implementing X one discovered requirement at a time. But that's not to say you can't have some fun ...
What is the difference between object keys with quotes and without quotes?
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Actually, the quotes can make a difference if you use a numeric literal as a property name. For example, obj = { 12e34: true }; is not the same as obj = { '12e34': true };. The former would require you to access the property through obj['1.2e+35'], while for the latter you’d use o...
Limit file format when using ?
...en the user clicks the Browse button in the <input type="file"> element in HTML. I have a feeling it's impossible, but I'd like to know if there is a solution. I'd like to keep solely to HTML and JavaScript; no Flash please.
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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
Please help me understand where to use a regular JOIN and where a JOIN FETCH.
5 Answers
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Equals(=) vs. LIKE
...n example where these operators produce obviously different results. Allow me to quote from the MySQL manual:
Per the SQL standard, LIKE performs matching on a per-character basis, thus it can produce results different from the = comparison operator:
mysql> SELECT 'ä' LIKE 'ae' COLLATE lat...
How to get an object's property's value by property name?
... PowerShell, how do you get an object's property value by specifying its name (a string)? I want something like the following:
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Where to place and how to read configuration resource files in servlet based application?
...ct, drop it in /main/resources folder.
You can alternatively also put it somewhere outside the default classpath and add its path to the classpath of the appserver. In for example Tomcat you can configure it as shared.loader property of Tomcat/conf/catalina.properties.
If you have placed the foo.pro...
HTTP GET with request body
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Roy Fielding's comment about including a body with a GET request.
Yes. In other words, any HTTP request message is allowed to contain a message body, and thus must parse messages with that in mind. Server semantics for GET, however, are restr...
seek() function?
Please excuse my confusion here but I have read the documentation regarding the seek() function in python (after having to use it) and although it helped me I am still a bit confused on the actual meaning of what it does, any explanations are much appreciated, thank you.
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