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How to use WeakReference in Java and Android development?
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answered Jul 14 '10 at 3:37
dbyrnedbyrne
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How to see the CREATE VIEW code for a view in PostgreSQL?
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answered Mar 14 '13 at 22:02
EoghanMEoghanM
18.2k2020 gold badges7878 silver badges108108 bronze badges
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C++ equivalent of Java's toString?
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answered Oct 11 '09 at 5:33
sthsth
190k4848 gold badges258258 silver badges349349 bronze badges
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How to Update Multiple Array Elements in mongodb
...ER-1243
As a work around you can:
Update each item individually
(events.0.handled events.1.handled
...) or...
Read the document, do the edits
manually and save it replacing the
older one (check "Update if
Current" if you want to ensure
atomic updates)
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How to tell Xcode where my info.plist and .pch files are
... The particular setting is "Prefix Header" under (in my case) Apple LLVM 6.0 - Language.
– lewiguez
Apr 1 '15 at 21:01
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Get JavaScript object from array of objects by value of property [duplicate]
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answered Dec 20 '12 at 2:01
elclanrselclanrs
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Sql Server equivalent of a COUNTIF aggregate function
... a CASE statement, like this:
SELECT SUM(CASE WHEN myColumn=1 THEN 1 ELSE 0 END)
FROM AD_CurrentView
Note: in my own test NULLs were not an issue, though this can be environment dependent. You could handle nulls such as:
SELECT SUM(CASE WHEN ISNULL(myColumn,0)=1 THEN 1 ELSE 0 END)
FROM AD_Curren...
Rails 3 check if attribute changed
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Peter BrownPeter Brown
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How to use JavaScript variables in jQuery selectors?
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answered May 5 '11 at 2:10
VinsVins
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How to change the CHARACTER SET (and COLLATION) throughout a database?
...n:
ALTER DATABASE <database_name> CHARACTER SET utf8 COLLATE utf8mb4_0900_ai_ci;
change table collation:
ALTER TABLE <table_name> CONVERT TO CHARACTER SET utf8 COLLATE utf8mb4_0900_ai_ci;
change column collation:
ALTER TABLE <table_name> MODIFY <column_name> VARCHAR(255) CH...