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Boolean.hashCode()
...go into bucket 1000 % N resp 2000 % N (where N is the number of buckets).
Now notice that
1000 % 8 same bucket as 2000 % 8
1000 % 10 same bucket as 2000 % 10
1000 % 20 same bucket as 2000 % 20
....
in other words, it would lead to many collisions.
This is because the factorization of 1000 (2...
How do I find out which keystore was used to sign an app?
...int (MD5): B3:4F:BE:07:AA:78:24:DC:CA:92:36:FF:AE:8C:17:DB
Voila! we can now determined the apk has been signed with this keystore, and with the alias 'android_key'.
Keytool is part of Java, so make sure your PATH has Java installation dir in it.
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PDOException SQLSTATE[HY000] [2002] No such file or directory
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I would love to know WHY localhost doesn't work and 127.0.0.1 does??
– Justin
Oct 18 '14 at 2:35
6
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What can I do with a moved-from object?
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We're discussing moved-from objects. Not objects known to be in an empty state. Moved-from objects have an unspecified state (unless of course otherwise specified). [lib.types.movedfrom]
– Howard Hinnant
Aug 11 '11 at 15:11
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Impossible to Install PG gem on my mac with Mavericks
...u chose, because you'll need it shortly.
/Library/PostgreSQL/9.3
If you now try and install the latest pg gem (0.17.0) you'll need to pass a couple of options on the command line. This is what I used:
ARCHFLAGS="-arch x86_64" gem install pg -- --with-pg-config=/Library/PostgreSQL/9.3/bin/pg_conf...
How to change language settings in R
...force US-english setting regardless of the system
setting. If you don't know what Terminal is you can use this R command
instead:
system("defaults write org.R-project.R force.LANG en_US.UTF-8")
but do not forget to quit R and start R.app again afterwards. Please
note that you must alw...
How to get the currently logged in user's user id in Django?
...d sessions
sessions = Session.objects.filter(expire_date__gte=timezone.now())
user_id_list = []
# build list of user ids from query
for session in sessions:
data = session.get_decoded()
# if the user is authenticated
if data.get('_auth_user_id'):
u...
Entity Framework - Include Multiple Levels of Properties
... (.Net Core style), to include sub-entities in a nice way.
It is on NuGet now : Install-Package ThenInclude.EF6
using System.Data.Entity;
var thenInclude = context.One.Include(x => x.Twoes)
.ThenInclude(x=> x.Threes)
.ThenInclude(x=> x.Fours)
.ThenInclude(x=> x.Fives)
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SQL Server Management Studio won't let me add an index to a table
... I had the same issue when trying to add "Included Columns". I just now realized that for years (a Decade exactly) all I had to do was close the Table Designer and right-click on the Index to select "Properties" in order to add/edit them.... All these years wasted on writing custom scripts. ...
How can I switch themes in Visual Studio 2012
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@NickAMiller: The halos were a known issue with the Release Candidate. The final RTM release of Visual Studio 2012 does not exhibit this problem.
– James McNellis
Aug 18 '12 at 17:35
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