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How can I profile C++ code running on Linux?
...d be easier to spot, on subsequent passes. This magnification effect, when compounded over multiple problems, can lead to truly massive speedup factors.
Caveat: Programmers tend to be skeptical of this technique unless they've used it themselves. They will say that profilers give you this informati...
How to get the instance id from within an ec2 instance?
... not work (for me) on a new EC2 host. The documentation -- docs.aws.amazon.com/AWSEC2/latest/UserGuide/… -- only mentions the 169.254 address, and makes no mention of the "instance-data" hostname. i.e. use 169.254.169.254/latest/meta-data/instance-id
– JDS
Fe...
Adding a new value to an existing ENUM Type
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Single Sign On across multiple domains [closed]
...rent are the host names?
These hosts can share cookies:
mail.xyz.com
www.xyz.com
logon.xyz.com
But these cannot:
abc.com
xyz.com
www.tre.com
In the former case you can bang out a cookie-based solution. Think GUID and a database session table.
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Go to particular revision
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Use git checkout <sha1> to check out a particular commit.
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What's the use of ob_start() in php?
...t;" ;
echo $lvs_html ;
// 02 - component contents
// html
// 01 - component header
// 03 - component footer
// more html
// ----
// html
// 01 - component header
// 02 - component contents
// 03 - component footer
// more html
//-------------------------------...
How to extract the hostname portion of a URL in JavaScript
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suppose that you have a page with this address: http://sub.domain.com/virtualPath/page.htm. use the following in page code to achive those results:
window.location.host : you'll get sub.domain.com:8080 or sub.domain.com:80
window.location.hostname : you'll get sub.domain.com
window.locati...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
When to use %r instead of %s in Python? [duplicate]
...port datetime
>>> d = datetime.date.today()
>>> str(d)
'2011-05-14'
>>> repr(d)
'datetime.date(2011, 5, 14)'
Types for which repr() doesn't produce Python syntax include those that point to external resources such as a file, which you can't guarantee to recreate in a dif...
Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
...ne form or other of the document that used to be at ftp://info.cern.ch/pub/www/doc/http-spec.txt starting in 1991, should anyone have an archive copy.
– Jon Hanna
Aug 27 '12 at 23:45
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