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'str' object does not support item assignment in Python
I would like to read some characters from a string and put it into other string (Like we do in C).
7 Answers
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
... itself. Usually, only the first 256 bytes of data are significant.
So, read the first (up to) 256 bytes from the file and pass it to FindMimeFromData.
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Dynamically creating keys in a JavaScript associative array
All the documentation I've found so far is to update keys that are already created:
9 Answers
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How do I save a stream to a file in C#?
I have a StreamReader object that I initialized with a stream, now I want to save this stream to disk (the stream may be a .gif or .jpg or .pdf ).
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Where can I find the TypeScript version installed in Visual Studio?
... @IanW - I believe the value in the PATH variable is what tsc -v will read (from command line root; navigating to individual SDK directories and running command will show actual version), but VS.NET will use the version indicated in the <TypeScriptToolsVersion> value within the .csproj fi...
Double not (!!) operator in PHP
... "double-not-operator" or "double not-operator" .. depends how you read it.
– nickf
Jan 24 '10 at 14:24
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Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...ve, but I found that adding in align-items: center would solve it for me. Reading the docs, it makes sense to override this if you are flexing images directly, since align-items: stretch is the default. Another solution is to wrap your images with a div first.
.myFlexedImage {
display: flex;
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How to use R's ellipsis feature when writing your own function?
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I read answers and comments and I see that few things weren't mentioned:
data.frame uses list(...) version. Fragment of the code:
object <- as.list(substitute(list(...)))[-1L]
mrn <- is.null(row.names)
x <- list(......
What is the difference between Tomcat, JBoss and Glassfish?
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Note to readers, JBoss is now Java EE 6 Full Profile certified like GlassFish. As well Tomcat is now Java EE 6 Web Profile certified via TomEE and supports EJB, CDI, JSF, JPA, and more.
– David Blevins
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Is XSLT worth it? [closed]
...untering (which may well have been limitations of my knowledge) and when I read a blog suggesting to ditch XSLT and just write your own XML-to-whatever parser in your language of choice, I eagerly jumped onto that and it's worked out brilliantly.
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