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Simple insecure two-way data “obfuscation”?
...Me__({ 123, 217, 19, 11, 24, 26, 85, 45, 114, 184, 27, 162, 37, 112, 222, 209, 241, 24, 175, 144, 173, 53, 196, 29, 24, 26, 17, 218, 131, 236, 53, 209 });
// a hardcoded IV should not be used for production AES-CBC code
// IVs should be unpredictable per ciphertext
private byte[] Vector...
LINQ Aggregate algorithm explained
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1030
The easiest-to-understand definition of Aggregate is that it performs an operation on each ele...
json_encode/json_decode - returns stdClass instead of Array in PHP
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answered Feb 17 '10 at 15:38
VolkerKVolkerK
90.1k1717 gold badges152152 silver badges219219 bronze badges
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Round double in two decimal places in C#?
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answered Mar 1 '10 at 17:53
Alex LEAlex LE
17.1k44 gold badges2626 silver badges2828 bronze badges
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Method Resolution Order (MRO) in new-style classes?
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answered Dec 4 '09 at 18:03
Alex MartelliAlex Martelli
725k148148 gold badges11261126 silver badges13241324 bronze badges
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Is there a way to instantiate objects from a string holding their class name?
...Map()->find(s);
if(it == getMap()->end())
return 0;
return it->second();
}
protected:
static map_type * getMap() {
// never delete'ed. (exist until program termination)
// because we can't guarantee correct destruction order
if(!...
Preferred method to store PHP arrays (json_encode vs serialize)
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20 Answers
20
Active
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SQLite UPSERT / UPDATE OR INSERT
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This is a late answer. Starting from SQLIte 3.24.0, released on June 4, 2018, there is finally a support for UPSERT clause following PostgreSQL syntax.
INSERT INTO players (user_name, age)
VALUES('steven', 32)
ON CONFLICT(user_name)
DO UPDATE SET age=excluded.age;
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Color different parts of a RichTextBox string
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240
Here is an extension method that overloads the AppendText method with a color parameter:
public...
Checking Bash exit status of several commands efficiently
...mmand.
function mytest {
"$@"
local status=$?
if (( status != 0 )); then
echo "error with $1" >&2
fi
return $status
}
mytest "$command1"
mytest "$command2"
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