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Mysql: Select rows from a table that are not in another
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If you have 300 columns as you mentioned in another comment, and you want to compare on all columns (assuming the columns are all the same name), you can use a NATURAL LEFT JOIN to implicitly join on all matching column names between the two tables so that...
How to get all registered routes in Express?
...ess. Now I would like to list all registered routes with their appropriate methods.
24 Answers
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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
...% in python is use as string formatting so when you write single % its assume that you are going to replace some value with this.
So when you want to place single % in string with query allways place double %.
share
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What does “zend_mm_heap corrupted” mean
...d before. I decided to check the Apache's error log, and I found an error message saying "zend_mm_heap corrupted". What does this mean.
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How to add a list item to an existing unordered list?
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This would do it:
$("#header ul").append('<li><a href="/user/messages"><span class="tab">Message Center</span></a></li>');
Two things:
You can just append the <li> to the <ul> itself.
You need to use the opposite type of quotes than what you'r...
BestPractice - Transform first character of a string into lower case
I'd like to have a method that transforms the first character of a string into lower case.
11 Answers
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Redirect to an external URL from controller action in Spring MVC
...ou can do it with two ways.
First:
@RequestMapping(value = "/redirect", method = RequestMethod.GET)
public void method(HttpServletResponse httpServletResponse) {
httpServletResponse.setHeader("Location", projectUrl);
httpServletResponse.setStatus(302);
}
Second:
@RequestMapping(value =...
How to apply a patch generated with git format-patch?
I have 2 git local repositories both pointing to the same remote repository.
6 Answers
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How to use ArrayAdapter
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Implement custom adapter for your class:
public class MyClassAdapter extends ArrayAdapter<MyClass> {
private static class ViewHolder {
private TextView itemView;
}
public MyClassAdapter(Context context...
Why is lazy evaluation useful?
...dering why lazy evaluation is useful. I have yet to have anyone explain to me in a way that makes sense; mostly it ends up boiling down to "trust me".
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