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Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
...Let's say you have 4 cores:
With IRIX mode on, 1 fully utilized core is 100% and 4 cores are 400%.
With IRIX mode off, 1 fully utilized core is 25% and 4 cores are 100%.
This means that by default, top on Linux will show an infinite loop as ~100% and Windows will show it as ~25%, and it means ...
What Regex would capture everything from ' mark to the end of a line?
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answered May 6 '09 at 17:59
Joshua BeldenJoshua Belden
8,86755 gold badges3232 silver badges5151 bronze badges
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Preventing Laravel adding multiple records to a pivot table
...te/…
– Rob Gordijn
Jul 5 '13 at 8:08
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
Given a ['0','1','1','2','3','3','3'] array, the result should be ['0','1','2','3'] .
17 Answers
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How do I test if a variable is a number in Bash?
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One approach is to use a regular expression, like so:
re='^[0-9]+$'
if ! [[ $yournumber =~ $re ]] ; then
echo "error: Not a number" >&2; exit 1
fi
If the value is not necessarily an integer, consider amending the regex appropriately; for instance:
^[0-9]+([.][0-9]+)?$
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How to get last inserted id?
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For SQL Server 2005+, if there is no insert trigger, then change the insert statement (all one line, split for clarity here) to this
INSERT INTO aspnet_GameProfiles(UserId,GameId)
OUTPUT INSERTED.ID
VALUES(@UserId, @GameId)
For SQL Serve...
How to extract a string using JavaScript Regex?
... of the
whole input string)
Also put the * in the right place:
"DATE:20091201T220000\r\nSUMMARY:Dad's birthday".match(/^SUMMARY\:(.*)$/gm);
//------------------------------------------------------------------^ ^
//-----------------------------------------------------------------------|
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in_array multiple values
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200
Intersect the targets with the haystack and make sure the intersection is precisely equal to th...
How to view the Folder and Files in GAC?
...ath_to_the_assembly"
View:
Open in Windows Explorer folder
.NET 1.0 - NET 3.5: c:\windows\assembly (%systemroot%\assembly)
.NET 4.x: %windir%\Microsoft.NET\assembly
OR gacutil –l
When you are going to install an assembly you have to specify where gacutil can find it, so you have to pro...
How to calculate time elapsed in bash script?
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20 Answers
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