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List vs List

...,String>> but not a List<Map<String,String>> So: void withWilds( List<? extends Map<String,String>> foo ){} void noWilds( List<Map<String,String>> foo ){} void main( String[] args ){ List<HashMap<String,String>> myMap; withWilds( ...
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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Add a new element to an array without specifying the index in Bash

...is syntax first appeared in version 3.1-alpha1. – David Yaw Jan 3 '14 at 21:17 41 @Jas: To access...
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postgresql COUNT(DISTINCT …) very slow

... @ankur this wasn't much useful for me..didn't get any remarkable improvement. – Shiwangini Sep 9 '19 at 8:18  |  ...
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How to save traceback / sys.exc_info() values in a variable?

... last): File "<stdin>", line 2, in <module> ValueError: invalid literal for int() with base 10: 'k' You should however take a look at the traceback documentation, as you might find there more suitable methods, depending to how you want to process your variable afterwards... ...
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Passing two command parameters using a WPF binding

...erter="{StaticResource YourConverter}"> <Binding Path="Width" ElementName="MyCanvas"/> <Binding Path="Height" ElementName="MyCanvas"/> </MultiBinding> </Button.CommandParameter> </Button> In your converter: public class YourCo...
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How to use Greek symbols in ggplot2?

...ere is what you do to obtain greek symbols Text Labels: Use parse = T inside geom_text or annotate. Axis Labels: Use expression(alpha) to get greek alpha. Facet Labels: Use labeller = label_parsed inside facet. Legend Labels: Use bquote(alpha == .(value)) in legend label. You can see detailed us...
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Visual Studio Editor does not underline errors anymore

...ed and uninstalled both CodeRush and Resharper for evaluation purposes (decided not to keep either one of them). 7 Answers ...
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how to mysqldump remote db from local machine

...local server Remore server CREATE USER 'backup_remote_2'@'192.168.0.102' IDENTIFIED WITH caching_sha2_password BY '3333333' REQUIRE SSL; GRANT ALL PRIVILEGES ON *.* TO 'backup_remote_2'@'192.168.0.102'; FLUSH PRIVILEGES; - Local server sudo /usr/local/mysql/bin/mysqldump \ --databases test_...
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Django Admin - Disable the 'Add' action for a specific model

...ms. I have many custom forms and formsets and inlineformsets and custom validation and custom querysets. Hence the add model action depends on forms that need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset. ...