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MySQL show current connection info
I am in a MySQL terminal session but I don't know what server I am connected to, or what database I am connected to.
3 Ans...
MySQL select with CONCAT condition
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The aliases you give are for the output of the query - they are not available within the query itself.
You can either repeat the expression:
SELECT neededfield, CONCAT(firstname, ' ', lastname) as firstlast
FROM users
WHERE CONCAT(first...
The type must be a reference type in order to use it as parameter 'T' in the generic type or method
I'm getting deeper into generics and now have a situation I need help with. I get a compile error on the 'Derived' class below as shown in the subject title. I see many other posts similar to this one but I'm not seeing the relationship. Can someone tell me how to resolve this?
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What does @: (at symbol colon) mean in a Makefile?
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It means "don't echo this command on the output." So this rule is saying "execute the shell command : and don't echo the output.
Of course the shell command : is a no-op, so this is saying "do nothing, and don't tell."
Why?
The trick here is that you've got an ob...
How can I see the specific value of the sql_mode?
There are some sql_mode values in MySQL:
2 Answers
2
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arrow operator (->) in function heading
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In C++11, there are two syntaxes for function declaration:
return-type identifier ( argument-declarations... )
and
auto identifier ( argument-declarations... ) -> return_type
They are equivalent. Now when they are equivalent, why do you eve...
Undoing a commit in TortoiseSVN
I committed a bunch of files (dozens of files in different folders) by accident. What is the easiest, cleanest (and safest!) way to 'undo' that commit without having to delete the files from my working directory?
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How can I break an outer loop with PHP?
I am looking to break an outer for/foreach loop in PHP.
6 Answers
6
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When editing Microsoft Office VBA, how can I disable the popup “Compile error” messages?
When you're editing a Microsoft Office VBA macro or function, you will often move your cursor from a line that you haven't finished. For example, to go copy something you want to paste into that line. But, if that partial line isn't syntactically valid, the VBA editor interrupts your work by poppi...
PendingIntent does not send Intent extras
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Using PendingIntent.FLAG_CANCEL_CURRENT not a good solution because of inefficient use of memory. Instead use PendingIntent.FLAG_UPDATE_CURRENT.
Use also Intent.FLAG_ACTIVITY_SINGLE_TOP (the activity will not be launched if ...