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Can anyone explain this strange behavior with signed floats in C#?
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The bug is in the following two lines of System.ValueType: (I stepped into the reference source)
if (CanCompareBits(this))
return FastEqualsCheck(thisObj, obj);
(Both methods are [MethodImpl(MethodImplOptions.InternalCall)])
When all of the fields are 8 bytes wide, CanCompareBits mista...
Copy a table from one database to another in Postgres
...ll see the insert scripts needed for the table/data. Copy and paste these into the new database sql page in pgAdmin. Run as pgScript - Query->Execute as pgScript F6
Works well and can do multiple tables at a time.
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Python: List vs Dict for look up table
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@John Fouhy: the ints are not stored in the hash table, only pointers, i.e. hou have 40M for the ints (well, not really when a lot of them are small) and 60M for the hash table. I agree that it's not that much of a problem nowadays, still it'...
Iterating through a JSON object
...e and DECODE
html=response.read().decode('utf8') # new python3 code
# now convert the decoded string into real JSON
loadedjson = json.loads(html)
# print to make sure it worked
print (loadedjson) # works like a charm
# iterate through each key value
for testdata in loadedjson['group']:
print ...
When should TaskCompletionSource be used?
... Thanks, @Frans-Bouma. So TaskCompletionSource is a handy way of converting code that uses the Begin... End... statements into a task?
– Tola Odejayi
Nov 12 '14 at 0:56
3...
Filter Java Stream to 1 and only 1 element
...ial approach in this answer. For customization purposes, it is possible to convert the last get() to orElseThrow()
– arin
Jun 7 '17 at 16:52
1
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
...,
data_externalid = "23521"
}
)
The _ will automatically be converted to - in the resulting markup:
<input type="checkbox" name="MyModel.MyBoolProperty" data-externalid="23521" class="myCheckBox" />
And that's true for all Html helpers taking a htmlAttributes anonymous object...
What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?
...not used to get an identity, it's used to create an identity in a select...into query.
The session is the database connection. The scope is the current query or the current stored procedure.
A situation where the scope_identity() and the @@identity functions differ, is if you have a trigger on th...
How do you create a transparent demo screen for an Android app?
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In your first activity find the view you wish to point to (findViewById). Then get its position relative to the root layout using this method. Send position to overlay activity in the intent. Do proper alignment.
– Benito Bertoli
Aug 31 ...
Return anonymous type results?
...t supported by some LINQ providers, couldn't you select an anonymous type, convert it to IEnumerable, then select a tuple from that?
– TehPers
Nov 27 '17 at 19:07
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