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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...
What's the difference between size_t and int in C++?
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edited Jun 20 at 9:12
Community♦
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answered Feb 2 '09 at 11:07
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Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
... the UI_USER_INTERFACE_IDIOM() macro is only required when targeting iOS 3.2 and below. When deploying to iOS 3.2 and up, you can use [UIDevice userInterfaceIdiom] directly.
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How can I add numbers in a Bash script?
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For integers:
Use arithmetic expansion: $((EXPR))
num=$((num1 + num2))
num=$(($num1 + $num2)) # Also works
num=$((num1 + 2 + 3)) # ...
num=$[num1+num2] # Old, deprecated arithmetic expression syntax
Using the external expr utility. Note that this is only needed for ...
Android AsyncTask threads limits?
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207
All AsyncTasks are controlled internally by a shared (static) ThreadPoolExecutor and a LinkedB...
How can I rotate an HTML 90 degrees?
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You need CSS to achieve this, e.g.:
#container_2 {
-webkit-transform: rotate(90deg);
-moz-transform: rotate(90deg);
-o-transform: rotate(90deg);
-ms-transform: rotate(90deg);
transform: rotate(90deg);
}
Demo:
#container_2 {
width: 100px;
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How to modify a global variable within a function in bash?
...ar="$(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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What Ruby IDE do you prefer? [closed]
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25 Answers
25
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Volatile Vs Atomic [duplicate]
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answered Nov 2 '13 at 17:08
Louis WassermanLouis Wasserman
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