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SQL is null and = null [duplicate]
...showing a variety of conditions and and their effect as per above.
create table t (x int, y int);
insert into t values (null, null), (null, 1), (1, 1);
select 'x = null' as test , x, y from t where x = null
union all
select 'x != null', x, y from t where x != null
union all
select 'not (x = null)'...
NoSql Crash Course/Tutorial [closed]
...I'm really stuck in a relational-db mindset thinking of things in terms of tables and joins...
9 Answers
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How can I return NULL from a generic method in C#?
...(or a nullable value type), 0 for int, '\0' for char, etc. (Default values table (C# Reference))
Restrict T to be a reference type with the where T : class constraint and then return null as normal
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Pandas: drop a level from a multi-level column index?
...unction does not work. Work through several and learn that ‘a’ in your table is columns name and ‘b’, ‘c’ are index. Do like this will help
df.columns.name = None
df.reset_index() #make index become label
share...
Access Container View Controller from Parent iOS
...u need control from the parent. For instance, if the child controller is a table view and you want to reload it forcefully or change a property via a button tap or any other event on Parent View Controller, you can do it by accessing ChildViewController's instance and not via prepareForSegue. Both h...
Difference between Math.Floor() and Math.Truncate()
...5,MidpointRounding.AwayFromZero)" becoming 3).
The following diagram and table may help:
-3 -2 -1 0 1 2 3
+--|------+---------+----|----+--|------+----|----+-------|-+
a b c d e
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How to convert Set to Array?
...
refer to kangax.github.io/compat-table/es6 for more or less up-to-date support chart. Currently, of all desktop browsers, only FF and IE TP (aka Spartan, aka MS Non-IE browser) support Array.from and ...
– c69
Mar 19 '1...
Writing/outputting HTML strings unescaped
I've got safe/sanitized HTML saved in a DB table.
7 Answers
7
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Using regular expression in css?
... if it just .thepage #someid but it can get really long winded on advanced table or list styling. It wasnt an criticism of your answer so much as it was general advice expanding on your answer :-)
– prodigitalson
Jan 18 '12 at 0:00
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How to pass arguments from command line to gradle
...o testngGroup fixed the problem. Found a list of predefined properties in table 13.1 at gradle.org/docs/current/userguide/writing_build_scripts.html.
– Lidia
Jul 31 '12 at 23:50
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