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Convert Unix timestamp to a date string
...-r the same as these other implementations. So unfortunately you have to know which version of date you're using, and many older Unix date commands don't support either option.
Even worse, POSIX date recognizes neither -d nor -r and provides no standard way in any command at all (that I know of) t...
Overriding == operator. How to compare to null? [duplicate]
... VS 2017 wants me to use the <i>is</i> operator now: left is null && right is null.
– Rhyous
Mar 31 '18 at 20:15
...
Clicking URLs opens default browser
I have loaded an external URL in my WebView . Now what I need is that when the user clicks on the links on the page loaded, it has to work like a normal browser and open the link in the same WebView . But it's opening the default browser and loading the page there?
...
Post Build exited with code 1
...older="$(ProjectDir)App_Data\" />
</Target>
and it works fine now.
The specific error I was getting was:
(PostBuildEvent target) ->
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(4291,5): error MSB3073: The command "copy <http://1.2.3.4/job/BLAHv2/ws/A...
How to truncate a foreign key constrained table?
...ion 1:
Remove constraints
Perform TRUNCATE
Delete manually the rows that now have references to nowhere
Create constraints
Option 2: suggested by user447951 in their answer
SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE table $table_name;
SET FOREIGN_KEY_CHECKS = 1;
...
Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
...o string" error, and a few errors after another one more related to the unknown/erroneous field.
In your case it could be :
objContentLine = (from q in db.qryContents
where q.LineID == Value
orderby q.RowID descending
select q).FirstOrDefault();
...
Pandas groupby: How to get a union of strings
...
It seems these operations are now vectorised removing the need for apply and lambdas. I came here wondering why pandas actually concats and not return an error on summing strings.
– NelsonGon
Sep 10 '19 at 7:42
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Laravel Check If Related Model Exists
...
A Relation object passes unknown method calls through to an Eloquent query Builder, which is set up to only select the related objects. That Builder in turn passes unknown method calls through to its underlying query Builder.
This means you can use the...
What is the maximum length of a table name in Oracle?
... stated above, in Oracle 12.2 and later, the maximum object name length is now 128 bytes.
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Performance difference between IIf() and If
...lete.
Like in C#, VB's conditional If operator short-circuits, so you can now safely write the following, which is not possible using the IIf function:
Dim len = If(text Is Nothing, 0, text.Length)
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