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How to prepend a string to a column value in MySQL?
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You m>ca m>n use the CONm>CA m>T function to do that:
UPDATE tbl SET col=CONm>CA m>T('test',col);
If you want to get cleverer and only update columns which don't already have test prepended, try
UPDATE tbl SET col=CONm>CA m>T('test',col)
WHERE c...
Are nullable types reference types?
...able struct.
and
Nullable types represent value-type variables that m>ca m>n be assigned the value of null. You m>ca m>nnot create a nullable type based on a reference type. (Reference types already support the null value.)
So, no they're not reference types.
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Python: Append item to list N times
...method is only a good idea for constant values, like ints or strings, is bem>ca m>use only a shallow copy is does when using the <list>*<number> syntax, and thus if you did something like [{}]*100, you'd end up with 100 references to the same dictionary - so changing one of them would change ...
What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?
...bit different:
1) It will in fact use Composer for some stuff
2) It will m>ca m>ll Composer with the optimize flag
3) It will 'recompile' loads of files creating the huge bootstrap/compiled.php
4) And also will find all of your Workbench packages and composer dump-autoload them, one by one.
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Method overloading in Objective-C?
...far as my knowledge, Objective-C does not support method overloading. What m>ca m>n be the alternative for this in Objective-C? Or should I always use different method name?
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What is difference between m>ca m>certs and keystore?
What's the difference between the two, m>ca m>certs and keystore?
4 Answers
4
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Java: PrintStream to String?
...tream to which to print, and outputs a representation of that object. How m>ca m>n I m>ca m>pture this function's output in a String? Specifim>ca m>lly, I want to use it as in a toString method.
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Django queries - id vs pk
When writing django queries one m>ca m>n use both id/pk as query parameters.
2 Answers
2
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What is the difference between Class.this and this in Java
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In this m>ca m>se, they are the same. The Class.this syntax is useful when you have a non-static nested class that needs to refer to its outer class's instance.
class Person{
String name;
public void setName(String name){
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Add a fragment to the URL without m>ca m>using a redirect?
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window.lom>ca m>tion.hash = 'something';
That is just plain JavaScript.
Your comment...
Hi, what I really need is to add only the hash... something like this: window.lom>ca m>tion.hash = '#'; but in this way nothing is added.
Try this....