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SQL update trigger only when column is modified
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128
You have two way for your question :
1- Use Update Command in your Trigger.
ALTER TRIGGER [db...
How to modify a global variable within a function in bash?
...ar="$(myfunc)"
echo "$var"
Gives:
Hello
For a numerical value from 0-255, you can use return to pass the number as the exit status:
mysecondfunc() {
echo "Hello"
return 4
}
var="$(mysecondfunc)"
num_var=$?
echo "$var - num is $num_var"
Gives:
Hello - num is 4
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Android AsyncTask threads limits?
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207
All AsyncTasks are controlled internally by a shared (static) ThreadPoolExecutor and a LinkedB...
Is storing a delimited list in a database column really that bad?
...Can’t ensure that each value is the right data type: no way to prevent 1,2,3,banana,5
Can’t use foreign key constraints to link values to a lookup table; no way to enforce referential integrity.
Can’t enforce uniqueness: no way to prevent 1,2,3,3,3,5
Can’t delete a value from the list withou...
Return a value if no rows are found in Microsoft tSQL
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12 Answers
12
Active
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Insert new item in array on any position in PHP
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952
You may find this a little more intuitive. It only requires one function call to array_splice:
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Case sensitive Cmd+D in Sublime Text 2
In ST2 ⌘+D expands the selection to the next word, using case insensitive matching. Is it possible to match the word case sensitive?
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C++ deprecated conversion from string constant to 'char*'
I have a class with a private char str[256];
11 Answers
11
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How can I rotate an HTML 90 degrees?
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You need CSS to achieve this, e.g.:
#container_2 {
-webkit-transform: rotate(90deg);
-moz-transform: rotate(90deg);
-o-transform: rotate(90deg);
-ms-transform: rotate(90deg);
transform: rotate(90deg);
}
Demo:
#container_2 {
width: 100px;
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How to find all positions of the maximum value in a list?
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212
>>> m = max(a)
>>> [i for i, j in enumerate(a) if j == m]
[9, 12]
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