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How do you remove a Cookie in a Java Servlet
...ation:
A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero value causes the cookie to be deleted.
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How to initialize a two-dimensional array in Python?
I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this:
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Best practices for using Markers in SLF4J/Logback
We are using SLF4J+Logback combination at our project for a while now and are quite happy with it, but our logging strategy is fairly simple, using straightforward class based loggers and no fancy stuff like MDC or Markers.
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What's the difference between a Future and a Promise?
What's the difference between Future and Promise ?
They both act like a placeholder for future results, but where is the main difference?
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Vim - how to run a command immediately when starting vim?
...o early, check :h startup:
At startup, Vim checks environment variables and files and sets values
accordingly. Vim proceeds in this order:
1. Set the 'shell' and 'term' option *SHELL* *COMSPEC* *TERM*
2. Process the arguments
3. Execute Ex commands, from environment variables and...
What is the Windows equivalent of the diff command?
...t there is a post similar to this : here .
I tried using the comp command like it mentioned, but if I have two files, one with data like "abcd" and the other with data "abcde", it just says the files are of different sizes. I wanted to know where exactly they differ. In Unix, the simple diff te...
Most efficient conversion of ResultSet to JSON?
...e following code converts a ResultSet to a JSON string using JSONArray and JSONObject .
14 Answers
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The smallest difference between 2 Angles
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Simpler and makes more sense read out loud, though effectively the same thing, first bti figures out the angle, second part makes sure its always the smaller of the 2 possible angles
– Tom J Nowell
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Generating an MD5 checksum of a file
Is there any simple way of generating (and checking) MD5 checksums of a list of files in Python? (I have a small program I'm working on, and I'd like to confirm the checksums of the files).
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Performance difference between IIf() and If
... "Alternative")
The first is basically C#'s ternary conditional operator and the second is its coalesce operator (return result unless it’s Nothing, in which case return "Alternative"). If has thus replaced IIf and the latter is obsolete.
Like in C#, VB's conditional If operator short-circuits,...