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How do I create an empty array in YAML?
...may not support line breaks inside [] or {} structures, which is a major incompatibility with JSON (copy-paste from Wikipedia) Cheers
– olibre
Feb 12 '13 at 10:51
2
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Set multiple properties in a List ForEach()?
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42
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Setting design time DataContext on a Window is giving a compiler error?
... Expression Blend/Visual Studio designer acknowledges is actually ignored/"commented out" by the real compiler/xaml parser!
<Window
...
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008...
Create a custom event in Java
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Is there a legitimate reason stackoverflow.com/suggested-edits/237242 did not go through? It shows how to do this with 2 classes as the question originally asked.
– GlassGhost
May 4 '12 at 21:34
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Linq with group by having count
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Like this:
from c in db.Company
group c by c.Name into grp
where grp.Count() > 1
select grp.Key
Or, using the method syntax:
Company
.GroupBy(c => c.Name)
.Where(grp => grp.Count() > 1)
.Select(grp => grp.Key);
...
Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
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13
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Google Authenticator implementation in Python
...tHub as separate module called onetimepass (available here: https://github.com/tadeck/onetimepass).
import hmac, base64, struct, hashlib, time
def get_hotp_token(secret, intervals_no):
key = base64.b32decode(secret, True)
msg = struct.pack(">Q", intervals_no)
h = hmac.new(key, msg, ...
Can you use hash navigation without affecting history?
...h history ops) seems to be not defined currently, and style does not get recomputed on history replace by most/all browsers.
– morphles
Jul 27 '16 at 5:38
1
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Can I make the foreign key field optional in Django model
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@WardC The combo of the two is so frequent because typically if you're going to allow a field to be blank in your form, you're going to also need your database to allow NULL values for that field. The exception is CharFields and TextFie...
Query a parameter (postgresql.conf setting) like “max_connections”
... server. It is essentially an alternative interface to the SHOW and
SET commands. It also provides access to some facts about each
parameter that are not directly available from SHOW, such as minimum
and maximum values.
For your original request:
SELECT *
FROM pg_settings
WHERE name = '...