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How to search a specific value in all tables (PostgreSQL)?
...le but adding some speed and reporting improvements.
Examples of use in a test database:
Search in all tables within public schema:
select * from search_columns('foobar');
schemaname | tablename | columnname | rowctid
------------+-----------+------------+---------
public | s3 | ...
Do zombies exist … in .NET?
...Line();
}
private static void Target()
{
using (var file = File.Open("test.txt", FileMode.OpenOrCreate))
{
ExitThread(0);
}
}
This program starts a thread Target which opens a file and then immediately kills itself using ExitThread. The resulting zombie thread will never rele...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...ly maintains an order. Since a dict has an unpredictable order, what if my test vectors luckily has the same initial order as the unpredictable order of a dict?. For example, if instead of d = OrderedDict({'b':2, 'a':1}) I write d = OrderedDict({'a':1, 'b':2}), I can wrongly conclude that the order ...
How to make the 'cut' command treat same sequental delimiters as one?
... all the possible combinations for future readers. Explanations are at the Test section.
tr | cut
tr -s ' ' < file | cut -d' ' -f4
awk
awk '{print $4}' file
bash
while read -r _ _ _ myfield _
do
echo "forth field: $myfield"
done < file
sed
sed -r 's/^([^ ]*[ ]*){3}([^ ]*).*/\2/' ...
django - why is the request.POST object immutable?
... better, the querydict is mutable when I send the request suing the django test client.
– user1158559
Mar 10 '17 at 15:02
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How to inspect the return value of a function in GDB?
...
(gdb) r
Starting program: /usr/home/hark/a.out
Breakpoint 1, fun () at test.c:2
2 return 42;
(gdb) finish
Run till exit from #0 fun () at test.c:2
main () at test.c:7
7 return 0;
Value returned is $1 = 42
(gdb)
The finish command can be abbreviated as fin. Do NOT ...
getenv() vs. $_ENV in PHP
...tenv() is a better choice because, as a function, it can be overloaded for testing purposes. Whereas overwriting your $_SERVER or $_ENV variables might interfere with test frameworks and other libraries and ultimately require a lot more work to carry out safely.
...
Python, creating objects
...
Our teacher gave us a test.py program that tests if we did the problems correctly. The question wants me to specifically to use the make_student function. The end goal is to: s1 = make_student(name, age, major) and now I have everything assig...
Downloading images with node.js [closed]
...ngth:', res.headers['content-length']);
request(uri).pipe(fs.createWriteStream(filename)).on('close', callback);
});
};
download('https://www.google.com/images/srpr/logo3w.png', 'google.png', function(){
console.log('done');
});
...
Base 64 encode and decode example code
...ByteArray(charset("UTF-8")), Base64.DEFAULT)
}
Example:
Log.d("LOGIN", "TEST")
Log.d("LOGIN", "TEST".encode())
Log.d("LOGIN", "TEST".encode().decode())
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