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What is the difference between a regular string and a verbatim string?
...ing too using verbatim strings:
Console.WriteLine(@"This
is
a
Test
for stackoverflow");
without @ you got an error.
In VB14 there is a new feature called Multiline Strings, it's like verbatim strings in C#.
Pro tip: VB string literals are now exactly like C# verbatim string...
Algorithm for creating a school timetable
...ture.
you should give some teachers two consecutive hours to do evaluation tests.
As you can see, the problem is not NP-complete, it's NP-insane.
So what they do is that they have a large table with small plastic insets, and they move the insets around until a satisfying result is obtained. They ...
Create a GUID in Java
...OM = ThreadLocal.withInitial(SecureRandom::new);
}
/**
* For tests!
*/
public static void main(String[] args) {
System.out.println("// Using thread local `java.security.SecureRandom` (DEFAULT)");
System.out.println("RandomUuidCreator.getRandomUuid()");
...
Removing list of vms in vagrant cache
...nt.d. Perhaps one can try only removing machine from .vagrant but I didn't test that.
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How to upload a project to Github
...opied from your GitHub page; (e.g. git clone https://github.com/isalirezag/Test.git).
Now if you do ls command you will see your repository there;
If you also open the git folder that you have in your window you will see that your repository is added as a folder.
Now use the cd command to go to ...
Why is it slower to iterate over a small string than a small list?
... 9 LOAD_CONST 6 (('a', 'b', 'c'))
as tuples are immutable. Test:
>>> python3 -m timeit '[x for x in ("a", "b", "c")]'
1000000 loops, best of 3: 0.369 usec per loop
Great, back up to speed.
For Python 2:
def list_iterate():
[item for item in ["a", "b", "c"]]
dis.dis...
JavaScript data grid for millions of rows [closed]
.... See github.com/mleibman/SlickGrid/tree/unlimited-rows . Once this gets tested thoroughly it will be merged into the main branch.
– Tin
Jun 28 '10 at 6:07
...
What is JNDI? What is its basic use? When is it used?
...
If you have a deployment sequence where apps move from devl->int->test->prod environments, you can use the same JNDI name in each environment and hide the actual database being used. Applications don't have to change as they migrate between environments.
You can minimize the number of fo...
How to empty/destroy a session in rails?
....clear
or
if specific keys have to be destroyed:
session.delete(key)
Tested in rails 3.2
added
People have mentioned by session={} is a bad idea. Regarding session.clear, Lobati comments- It looks like you're probably better off using reset_session [than session.clear], as it does some oth...
Flask-SQLAlchemy how to delete all rows in a single table
...User.query.delete() as query object as 'BaseQuery' object is not callable. Tested and verified.
– Shirish Kadam
Jul 13 '19 at 23:29
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