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UnboundLocalError on local variable when reassigned after first use
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12 Answers
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What is ?= in Makefile
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?= indicates to set the KDIR variable only if it's not set/doesn't have a value.
For example:...
Delete multiple records using REST
...d by intermediaries as meaning “DELETE the (single) resource at /records/1;2;3” — So a 2xx response to this may cause them to purge their cache of /records/1;2;3; not purge /records/1, /records/2 or /records/3; proxy a 410 response for /records/1;2;3, or other things that don't make sense fro...
NumPy or Pandas: Keeping array type as integer while having a NaN value
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edited Jan 29 '19 at 14:26
answered Aug 24 '18 at 3:36
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How do you determine the size of a file in C?
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14 Answers
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AngularJS toggle class using ng-class
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How to use conditional in ng-class:
Solution 1:
<i ng-class="{'icon-autoscroll': autoScroll, 'icon-autoscroll-disabled': !autoScroll}"></i>
Solution 2:
<i ng-class="{true: 'icon-autoscroll', false: 'icon-autoscroll-disabled'}[autoScroll]"></i>...
How to count number of files in each directory?
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17 Answers
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What are the rules for JavaScript's automatic semicolon insertion (ASI)?
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The concrete rules of ASI, are described in the specification §11.9.1 Rules of Automatic Semicolon Insertion
Three cases are described:
When an offending token is encountered that is not allowed by the grammar, a semicolon is inserted before it if:
The token is separated from the prev...
How to tell if JRE or JDK is installed
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You can open up terminal and simply type
java -version // this will check your jre version
j...
Set cURL to use local virtual hosts
...ays create development sites based on real projects such as http://project1.loc which, after adding to my .hosts file, the browser has no problem using.
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