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How to check for Is not Null And Is not Empty string in SQL server?
... > '', 'true', 'false'); -- false (newline)
select iif('xxx' > '', 'true', 'false'); -- true
--
--
-- NOTE - test that tab and newline is processed as expected:
select 'x x' -- tab
select 'x
x' -- newline
...
How to determine the first and last iteration in a foreach loop?
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Benoit Esnard
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answered Aug 16 '14 at 17:36
YojanceYojance
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Best practice to return errors in ASP.NET Web API
... for the Type ResourceNotFoundException and then I return "Product with id xxx not found". That way its generically anchored in the architecture instead of each action.
– Pascal
Jul 7 '15 at 21:27
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How to create a library project in Android Studio and an application project that uses the library p
... project menu.(app/build.gradle): Gradle Scripts > build.gradle(Module: XXX)
change one line: apply plugin: 'com.android.application' -> 'apply plugin: com.android.library'
remove applicationId in the file: applicationId "com.mycompany.testproject"
build project: Build > Rebuild Project
the...
What is the difference between linear regression and logistic regression?
... this variable, the dependent variable is expected to increase/decrease by xxx).
However, in logistic regression, depends on the family (binomial, Poisson,
etc.) and link (log, logit, inverse-log, etc.) you use, the interpretation is different.
Error minimization technique
Linear regression uses...
你真的了解熊市有多么可怕吗？ - 创意 - 清泛网 - 专注C/C++及内核技术
...而是横盘几个月，再跌一次，横盘几个月，再跌一次。
91年就有过熊市啦。那是你们想象不到的，股票天天跌，那时股票不多，发展(注：应该是深发展，现在的平安银行)有一天一个小时跌了46%还多。有的股票在一周内的成交量...
How to select bottom most rows?
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91
SELECT
columns
FROM
(
SELECT TOP 200
columns
FROM
My_Table
...
Convert INT to VARCHAR SQL
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Actually you don't need to use STR Or Convert. Just select 'xxx'+LTRIM(1) does the job.
Possibly, LTRIM uses Convert or STR under the hood.
LTRIM also removes need for providing length and usually default 10 is good enough for integer to string conversion.
SELECT LTRIM(ColumnName) ...
Track all remote git branches as local branches
...production development integration staging
Deleted branch production (was xxxxx).
Deleted branch development (was xxxxx).
Deleted branch integration (was xxxxx).
Deleted branch staging (was xxxxx).
If you use the -vv switch to git branch you can confirm:
$ git br -vv
development xxxxx [origin/...
ASP.NET MVC Controller Naming Pluralization
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Leniel Maccaferri
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answered Sep 17 '12 at 15:45
CybermaxsC...