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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
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It looks like you are calling a non static member (a property or method, specifically setTextboxText) from a static method (specifically SumData). You will need to either:
Make the called member static also:
static void setText...
Getting the first index of an object
...s out, properties of Javascript objects are unordered, and your code is broken if you expect them to enumerate in the same order that they are specified in the object literal—there is no "first" property.
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Disabling of EditText in Android
...ect would be to set android:editable="false".
And if you wonder why my link point to the attributes of TextView, you the answer is because EditText inherits from TextView:
EditText is a thin veneer over
TextView that configures itself to be
editable.
Update:
As mentioned in the comments b...
CSS endless rotation animation
I want to make a rotation of my loading icon by CSS.
8 Answers
8
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Can I force pip to reinstall the current version?
I've come across situations where a current version of a package seems not to be working and requires reinstallation. But pip install -U won't touch a package that is already up-to-date. I see how to force a reinstallation by first uninstalling (with pip uninstall ) and then installing, but is th...
Sorting an IList in C#
...:
from c in list
orderby c.Engine
select c;
Edit: You do need to be quick to get answers in here. As I presented a slightly different syntax to the other answers, I will leave my answer - however, the other answers presented are equally valid.
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Why both no-cache and no-store should be used in HTTP response?
I'm told to prevent user-info leaking, only "no-cache" in response is not enough. "no-store" is also necessary.
11 Answers
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Find when a file was deleted in Git
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git log --full-history -- [file path] shows the changes of a file, work even if the file was deleted.
Example:
git log --full-history -- myfile
If you want to see only the last commit, which deleted a file use -1 in addition, e.g., git log --full-history -1 -- [file path]
See Which commi...
How to force maven update?
I imported my already working project on another computer and it started to download dependencies.
25 Answers
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MySQL selecting yesterday's date
...s:
subdate(current_date, 1)
Your query would be:
SELECT
url as LINK,
count(*) as timesExisted,
sum(DateVisited between UNIX_TIMESTAMP(subdate(current_date, 1)) and
UNIX_TIMESTAMP(current_date)) as timesVisitedYesterday
FROM mytable
GROUP BY 1
For the curious, the reason th...