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Change values while iterating

...", ""}, &Attribute{"bar", ""}, }} for _, attr := range n.Attr { if attr.Key == "href" { attr.Val = "something" } } for _, v := range n.Attr { fmt.Printf("%#v\n", *v) ...
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Streaming a video file to an html5 video player with Node.js so that the video controls continue to

...to get the size of the file without reading the whole file into memory. Finally, use fs.createReadStream to send the requested part to the client. var fs = require("fs"), http = require("http"), url = require("url"), path = require("path"); http.createServer(function (req, res) { if ...
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How do I sort unicode strings alphabetically in Python?

... sorts by byte value by default, which means é comes after z and other equally funny things. What is the best way to sort alphabetically in Python? ...
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momentJS date string add 5 days

....4 - use .add(5, 'd') (or .add(5, 'days')) instead of .add('d', 5) var new_date = moment(startdate, "DD-MM-YYYY").add(5, 'days'); Thanks @Bala for the information. UPDATED: March 21, 2014 This is what you'd have to do to get that format. Here's an updated fiddle startdate = "20.03.2014"; var ...
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Installing specific package versions with pip

I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it: ...
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How to repeat a “block” in a django template

... Good solution. However, it is "use_macro". "usemacro" is wrong. – Ramtin Nov 28 '17 at 11:25 ...
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Pandas count(distinct) equivalent

...if I have multiple columns that I want to be unique together, like in .drop_duplicates(subset=['col1','col2'])? – ErnestScribbler Oct 2 '17 at 8:10 4 ...
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What do I have to do to get Core Data to automatically migrate models?

...AndKeys: [NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil]; NSError *error; _persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectMod...
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SLF4J: Class path contains multiple SLF4J bindings

... is the version (slf4j-log4j12) applicable for all? or should we find out the version from mvn dependency:tree? – Lei Yang Nov 11 '19 at 7:07 add a...
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Create directories using make file

...ssuming a Unix-like environment. MKDIR_P = mkdir -p .PHONY: directories all: directories program directories: ${OUT_DIR} ${OUT_DIR}: ${MKDIR_P} ${OUT_DIR} This would have to be run in the top-level directory - or the definition of ${OUT_DIR} would have to be correct relative to where ...