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How do I set a column value to NULL in SQL Server Management Studio?
How do I clear the value from a cell and make it NULL?
6 Answers
6
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
... was paraphrasing in the paragraph just above.
EDIT (answering a question from the OP posted as comment): The case of JDBC drivers is a bit special. As explained in the DriverManager chapter of Getting Started with the JDBC API:
(...) A Driver class is loaded, and
therefore automatically regi...
Drop a temporary table if it exists
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From SQL Server 2016 you can just use
DROP TABLE IF EXISTS ##CLIENTS_KEYWORD
On previous versions you can use
IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL
/*Then it exists*/
DROP TABLE ##CLIENTS_KEYWORD
CRE...
SVN encrypted password store
...SSO password. By encrypting the password, you would at least mask someone from accessing a users other accounts.
I would still be concerned about the encryption strength. If the subversion password is linked to other important accounts, someone might test the encryption strength to crack the pass...
How to find the length of a string in R
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Or use stri_length from stringi - it works fine with NA's and it is faster :) Check my post!
– bartektartanus
Apr 4 '14 at 16:37
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How to remove ASP.Net MVC Default HTTP Headers?
...how-to-remove-server-x-aspnet-version-x-aspnetmvc-version-and-x-powered-by-from-the-response-header-in-iis7.
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Subset of rows containing NA (missing) values in a chosen column of a data frame
We have a data frame from a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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Why can I type alias functions and use them without casting?
...stinction which is not clear in lytnus's answer.
Named Type is different from Unnamed Type.
Variable of Named Type is assignable to variable of Unnamed Type, vice versa.
Variable of different Named Type is not assignable to each other.
http://play.golang.org/p/uaYHEnofT9
import (
"fmt"
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How do I wait for an asynchronously dispatched block to finish?
...e synchronously. Worse I've seen many of them use this semaphore technique from the main queue (and we should never block the main queue in production apps).
I know this isn't the case here (when this question was posted, there wasn't a nice tool like XCTestExpectation; also, in these testing suite...
How to click first link in list of items after upgrading to Capybara 2.0?
...ar one. You should be able to match with this.
A working example example from one of my projects:
within page.find("div.panel", text: /Proposals/) do
within page.find('tr', text: /Foo/) do
page.should have_xpath('td[3]', text: @today)
end
end
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