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Apply style ONLY on IE

... 2017 Depending on the environment, conditional comments have been officially deprecated and removed in IE10+. Original The simplest way is probably to use an Internet Explorer conditional comment in your HTML: <!--[if IE]> <style> .actual-form table { width: 100%; ...
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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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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?

... First of all, update your RVM installation by running rvm get stable. To make sure you're running the new RVM version, you'll then need to run rvm reload (or just open a new terminal). Once that's done, you can ask RVM to list the r...
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How to turn NaN from parseInt into 0 for an empty string?

...h for other stuff, there's a handy defaultTo function that does just this: _.defaultTo(NaN, -1) returns -1, but _.defaultTo(0, -1); returns 0. – waldyrious Dec 6 '18 at 12:40 ...
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]

...opt] int32 x) cil managed { .param [1] = int32(5) .maxstack 8 L_0000: nop L_0001: ret } .method //this is a new method private hidebysig static //it is private, ???, and static void foo //it returns nothing (void) and is named Foo ([opt] int32 x) //it has one parameter, which i...
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Match everything except for specified strings

... Depends on the language, but there are generally negative-assertions you can put in like so: (?!red|green|blue) (Thanks for the syntax fix, the above is valid Java and Perl, YMMV) share ...
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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 ...
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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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How can I create a link to a local file on a locally-run web page?

...a> These will never open the file in your local applications automatically. That's for security reasons which I'll cover in the last section. If it opens, it will only ever open in the browser. If your browser can display the file, it will, otherwise it will probably ask you if you want to down...