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When to use SELECT … FOR UPDATE?
...hout specifying FOR UPDATE explicitly.
To solve this problem, Thread 1 should SELECT id FROM rooms FOR UPDATE, thereby preventing Thread 2 from deleting from rooms until Thread 1 is done. Is that correct?
This depends on the concurrency control your database system is using.
MyISAM in MySQ...
Handling very large numbers in Python
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180
Python supports a "bignum" integer type which can work with arbitrarily large numbers. In Pyth...
anchor jumping by using javascript
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edited Aug 6 '18 at 5:11
brasofilo
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Printing object properties in Powershell
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195
Try this:
Write-Host ($obj | Format-Table | Out-String)
or
Write-Host ($obj | Format-List...
Can I change the root EBS device of my amazon EC2 instance?
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192
Yep, it's dead easy:
Stop the instance.
Detach the root EBS volume.
Attach the alternate EBS...
Bootstrap control with multiple “data-toggle”
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12 Answers
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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...8's strict validation rules, false positives are extremely rare.
ISO-8859-1 vs. windows-1252
The only difference between these two encodings is that ISO-8859-1 has the C1 control characters where windows-1252 has the printable characters €‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™...
What is the difference between user variables and system variables?
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132
Right-click My Computer and go to Properties->Advanced->Environmental Variables...
What...
Creating a JavaScript cookie on a domain and reading it across sub domains
Below is a JavaScript cookie that is written on the user's computer for 12 months.
4 Answers
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compilation warning: no rule to process file for architecture i386
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answered Jun 28 '11 at 16:23
GiuseppeGiuseppe
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