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What is the best way to prevent session hijacking?
...in database , it's up to you what method you adopt
If you find mistake in my approach please correct me. If you have more ways to prevent session hyjaking please tell me.
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Is it possible to decrypt MD5 hashes?
...llisions (infinite), and unless you have some external constraint (like in my example) you will never know which is right
– Adam Batkin
Feb 20 '13 at 3:58
2
...
What is a callback function?
..., callback, params)
{
result = number! // i can make up operators in my pseudocode
callback (result, params)
}
Now that factorial allows this pattern, your callback might look like this:
logIt (number, logger)
{
logger.log(number)
}
and your call to factorial would be
factorial(...
How to show all privileges from a user in oracle?
...much if you're looking to do something programmatically. So I put together my own query:
SELECT
PRIVILEGE,
OBJ_OWNER,
OBJ_NAME,
USERNAME,
LISTAGG(GRANT_TARGET, ',') WITHIN GROUP (ORDER BY GRANT_TARGET) AS GRANT_SOURCES, -- Lists the sources of the permission
MAX(ADMIN_OR_GRA...
Multiple aggregations of the same column using pandas GroupBy.agg()
...
You can simply pass the functions as a list:
In [20]: df.groupby("dummy").agg({"returns": [np.mean, np.sum]})
Out[20]:
mean sum
dummy
1 0.036901 0.369012
or as a dictionary:
In [21]: df.groupby('dummy').agg({'returns':
...
Memory management in Qt?
...anagement and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically?
...
What are fixtures in programming?
...
I'm writing this answer as quick note for myself on what is "fixture".
same-data-multiple-tests
Test Fixtures: Using the Same Data Configuration for Multiple Tests
If you find yourself writing two or more tests that operate on similar data, you can use a test fixtur...
Android: Difference between Parcelable and Serializable?
...ace is easier to implement.
Look at the example below (Serializable):
// MyObjects Serializable class
import java.io.Serializable;
import java.util.ArrayList;
import java.util.TreeMap;
import android.os.Parcel;
import android.os.Parcelable;
public class MyObjects implements Serializable {
...
Python (and Python C API): __new__ versus __init__
...o an int as you did... I get an error about heap types or something... but my example of assigning it to a dynamically created class works.
– ArtOfWarfare
Jan 21 '16 at 18:52
...
Understanding implicit in Scala
I was making my way through the Scala playframework tutorial and I came across this snippet of code which had me puzzled:
...