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Best database field type for a URL
...koverflow.com/q/21956... and would link to a shortened URL http://ex.ampl/e1234)
Notes and Caveats
Obviously, the Twitter approach is nicer, but for my app's needs, recommending a URL shortener was sufficient.
URL shorteners have their drawbacks, such as security concerns. In my case, it's not a ...
Regex to validate password strength
...
I would suggest adding
(?!.*pass|.*word|.*1234|.*qwer|.*asdf) exclude common passwords
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Tools to get a pictorial function call graph of code [closed]
...
# Open a GUI tool to visualize callgrind data.
kcachegrind callgrind.out.1234
You are now left inside an awesome GUI program that contains a lot of interesting performance data.
On the bottom right, select the "Call graph" tab. This shows an interactive call graph that correlates to performance...
Check if an array is empty or exists
...ay.length){ // array exists and has elements
– YeeHaw1234
Nov 4 '16 at 18:53
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Convert a byte array to integer in Java and vice versa
...blic static void main(String[] args) {
int[] input = new int[] { 0x1234, 0x5678, 0x9abc };
byte[] output = new byte[input.length * 2];
for (int i = 0, j = 0; i < input.length; i++, j+=2) {
output[j] = (byte)(input[i] & 0xff);
output[j+1] = (byt...
How to retrieve the current value of an oracle sequence without increment it?
... I
-------
1
SELECT seq.nextval S
FROM dual;
S
-------
1234
-- Set the sequence to decrement by
-- the same as its original increment
ALTER SEQUENCE seq
INCREMENT BY -1;
Sequence altered.
SELECT seq.nextval S
FROM dual;
S
-------
1233
-- Reset the sequence to it...
Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
...ake the value from trx_mysql_thread_id and send it the KILL command:
KILL 1234;
If you're unsure which transaction is yours, repeat the first query very often and see which transactions persist.
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
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BTW: You can also use NCHAR(0x1234) to get a unicode character. Not necessary for inserting line breaks, but can come in handy if one must insert/search for unicode characters.
– Paul Groke
Oct 2 '14 at 12:33
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What Android tools and methods work best to find memory/resource leaks? [closed]
...3.0 (honeycomb) drawables are stored in the heap
– Gu1234
Sep 13 '11 at 8:16
@Timo then what would you use to detect l...
What is a good Java library to zip/unzip files? [closed]
...nerable to ZipSlip (zip4j is also affected)
– Marcono1234
Apr 27 '19 at 17:54
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