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How do I do a bulk insert in mySQL using node.js
...w would one do a bulk insert into mySQL if using something like
https://github.com/felixge/node-mysql
12 Answers
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JSON.stringify without quotes on properties?
...ote JSON property names in most cases:
const object = { name: 'John Smith' };
const json = JSON.stringify(object); // {"name":"John Smith"}
console.log(json);
const unquoted = json.replace(/"([^"]+)":/g, '$1:');
console.log(unquoted); // {name:"John Smith"}
Extreme case:
var json ...
How to sort a list of strings numerically?
...our strings to ints. Or rather, you did, but then you didn't do anything with the results. What you want is:
list1 = ["1","10","3","22","23","4","2","200"]
list1 = [int(x) for x in list1]
list1.sort()
If for some reason you need to keep strings instead of ints (usually a bad idea, but maybe you...
Django FileField with upload_to determined at runtime
I'm trying to set up my uploads so that if user joe uploads a file it goes to MEDIA_ROOT/joe as opposed to having everyone's files go to MEDIA_ROOT. The problem is I don't know how to define this in the model. Here is how it currently looks:
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What is the meaning of erb?
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erb stands for "Embedded RuBy". A .html.erb or .erb.html file is HTML with Ruby code embedded in; Rails will evaluate the Ruby to add content to the file dynamically, and will output a "pure" HTML file for rendering.
sha...
How do I set default values for functions parameters in Matlab?
Is it possible to have default arguments in Matlab? For instance, here:
16 Answers
16...
How to write a bash script that takes optional input arguments?
...is mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted.
If you only want to substitute a default value if the parameter is unset (but not if it's null, e.g. not if it's an empty string), use this syntax instead:
somecomm...
Doctrine and composite unique keys
I want to do composite unique key in doctrine.
Those are my fields:
3 Answers
3
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Who sets response content-type in Spring MVC (@ResponseBody)
...n of the StringHttpMessageConverter bean is not enough, you need to inject it into AnnotationMethodHandlerAdapter:
<bean class = "org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<array>
<...
Stash changes while keeping the changes in the working directory in Git
Is there a git stash command that stashes your changes, but keeps them in the working directory too? So basically a git stash; git stash apply in one step?
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