Remove null
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What Is A Null Pointer Dereference Error?

ForAllSecure

CWE-476 Null Pointer Dereference is a programming error that can occur when a program attempts to deference a null pointer. This can happen when the programmer mistakenly assumes that a pointer pointing to NULL is actually pointing to a valid object. There are a few ways to avoid null pointer dereferences.

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A Guide to SQL NULL (and SQL NOT NULL)

Database Star

The concept of NULL is something you should know about when working with databases. In this article, you’ll learn all about NULL: what it is, why it’s different, how you can check for it in different databases, and many examples. What Is NULL?

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Beware Technical Debt: How Bad Code Smells Like Rotten Cheese

Social, Agile and Transformation

They struggled to debug their code, and running it produced inconsistent results and null. The assignment required them to use a linked list to simulate shuffling a deck of cards, finding pairs, and exchanging cards between players.

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Last Server Reboot Reporting

Mick's IT Blog

Trim() #Check if the system is online If ((Test-Connection -ComputerName $ComputerName -Count 1 -Quiet) -eq $true) { #Query last bootup time and use $Null if unobtainable Try { $LastBootTime = (Get-CimInstance -ClassName win32_operatingsystem -ComputerName $ComputerName -ErrorAction SilentlyContinue).LastBootUpTime Split("=")[1].Split("}")[0].Trim()

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Configure SQL Server Firewall Ports with PowerShell

Mick's IT Blog

If ((Get-NetFirewallRule -Name "ConfigMgr Port 135 UDP" -ErrorAction SilentlyContinue) -eq $null) { New-NetFirewallRule -Name "ConfigMgr Port 135 UDP" -DisplayName "ConfigMgr Port 135 UDP" -Description "Site Server" -Group "Configuration Manager" -Profile "Domain" -Protocol UDP -LocalPort 135 -Enabled True } If ((Get-NetFirewallRule -Name "ConfigMgr (..)

Firewall 153
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MECM System Cleanup

Mick's IT Blog

_RES_COLL_SMS00001 ORDER BY Name" foreach ($System in $List) { #Filter out built-in accounts If (($System.Name -notlike '*Unknown*') -and ($System.Name -notlike '*Provisioning*')) { #Return a list of all systems either not in AD or that have been disabled Try { $AD = Get-ADComputer $System.Name If ($AD.Enabled -eq $false) { $Systems += $AD.Name } } (..)

System 162
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SQL, ROW_NUMBER, and FIRST_VALUE IGNORE NULLS

IT Toolbox

Straddling two DBMS and ruminating on results

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