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How to find the kth largest element in an unsorted array of length n in O(n)?
...h order statistic. There's a very simple randomized algorithm (called quickselect) taking O(n) average time, O(n^2) worst case time, and a pretty complicated non-randomized algorithm (called introselect) taking O(n) worst case time. There's some info on Wikipedia, but it's not very good.
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Entity Framework with NOLOCK
...SMS, open a query (#1) and run: CREATE TABLE ##Test(Col1 INT); BEGIN TRAN; SELECT * FROM ##Test WITH (TABLOCK, XLOCK);. Open another query (#2) and run: SELECT * FROM ##Test;. The SELECT won't return as it is being blocked by the still open transaction in tab #1 that is using an exclusive lock. Canc...
Could not load file or assembly 'System.Data.SQLite'
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@Raul Vejar: please elaborate on how application pool selection feature of IIS Express solves the 32-bit/64-bit assembly issue. Thanks
– Tim
Aug 5 '14 at 17:00
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How to find SQL Server running port?
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This is the one that works for me:
SELECT DISTINCT
local_tcp_port
FROM sys.dm_exec_connections
WHERE local_tcp_port IS NOT NULL
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What is cardinality in MySQL?
...ow cardinality column with only 2 possible values as the index will not be selective enough to be used.
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Maven: Failed to read artifact descriptor
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Had the same issue with IntelliJ IDEA and following worked.
Go to File
Select Settings
Select Build, Execution, Deployments
Select Build Tools from drop down
Select Maven from drop down
Tick the Always update snapshots check box
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“Remote System Explorer Operation” causing freeze for couple of seconds
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Here are the steps:
Click on the Windows > Preferences menu
Select General > Workspace > Build in the tree
Uncheck Use default build order
Select RemoteSystemsTempFiles
Click Remove Project
Click Apply and Close
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Explicitly select items from a list or tuple
...lution.I don't think it's a bad idea to invoke magic variable. programmer selects their preferred way based on programming circumstances.
– Jacob CUI
Mar 25 '15 at 22:57
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How to get all groups that a user is a member of?
...alGroupMembership will do this.
Get-ADPrincipalGroupMembership username | select name
name
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Domain Users
Domain Computers
Workstation Admins
Company Users
Company Developers
AutomatedProcessingTeam
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Where are my postgres *.conf files?
...alives_idle = 0 # TCP_KEEPIDLE, in seconds;
# 0 selects the system default
#tcp_keepalives_interval = 0 # TCP_KEEPINTVL, in seconds;
# 0 selects the system default
#tcp_keepalives_count = 0 # TCP_KEEPCNT;
# 0 selects the...