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EC2 instance has no public DNS
...ns:
Go to console.aws.amazon.com
Go To Services -> VPC
Open Your VPCs
select your VPC connected to your EC2 and
select Actions => Edit DNS Hostnames
---> Change DNS hostnames: to YES
Hope this helps!
Cheers
sha...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...option for reading a text file. You can then filter further:
gc log.txt | select -first 10 # head
gc -TotalCount 10 log.txt # also head
gc log.txt | select -last 10 # tail
gc -Tail 10 log.txt # also tail (since PSv3), also much faster than above option
gc log.txt | more #...
How do I get list of all tables in a database using TSQL?
...
SQL Server 2000, 2005, 2008, 2012, 2014, 2016, 2017 or 2019:
SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE'
To show only tables from a particular database
SELECT TABLE_NAME
FROM <DATABASE_NAME>.INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE'...
Split a collection into `n` parts with LINQ?
... group item by i++ % parts into part
select part.AsEnumerable();
return splits;
}
}
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Android List Preferences: have summary as selected value?
...ile. How would I set the summary of the list activity to the value that is selected?
11 Answers
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How to update column with null value
...Hello');
UPDATE your_table
SET your_column = NULL
WHERE some_id = 1;
SELECT * FROM your_table WHERE your_column IS NULL;
+---------+-------------+
| some_id | your_column |
+---------+-------------+
| 1 | NULL |
+---------+-------------+
1 row in set (0.00 sec)
...
Phonegap Cordova installation Windows
... settings on the left.
Click Environment Variables under the Advanced tab.
Select the PATH variable and click Edit.
Copy the path mentioned above to the value field and press OK.
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PHP method chaining?
...imed at creating a DSL. Ex: $foo->setBar(1)->setBaz(2) vs $table->select()->from('foo')->where('bar = 1')->order('ASC). The latter spans multiple objects.
– Gordon
Sep 16 '10 at 7:32
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Printing object properties in Powershell
...ete Method void Delete()
...
$pool | Select-Object -Property * # You can omit -Property
name : .NET v4.5
queueLength : 1000
autoStart : True
enable32BitAppOnWin64 : False
managedRuntimeVersion ...
Hidden Features of Xcode
...m working with a large or unfamiliar project.
To show the Favorites Bar, select the following menu option:
View > Layout > Show Favorites Bar
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edited Apr 4 '11...