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Two versions of python on linux. how to make 2.7 the default

... You probably don't actually want to change your default Python. Your distro installed a standard system Python in /usr/bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away wi...
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Make page to tell browser not to cache/preserve input values

...sers. Another alternative is to use Javascript/jQuery to explicitly untick all checkboxes on page load. – DisgruntledGoat Apr 28 '10 at 10:28 1 ...
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How do I find the number of arguments passed to a Bash script?

...ash echo "The number of arguments is: $#" a=${@} echo "The total length of all arguments is: ${#a}: " count=0 for var in "$@" do echo "The length of argument '$var' is: ${#var}" (( count++ )) (( accum += ${#var} )) done echo "The counted number of arguments is: $count" echo "The accumula...
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How to undo a git merge with conflicts

...nges from before the merge, although it cannot always do so reliably. Generally you shouldn't merge with uncommitted changes anyway. Prior to version 1.7.4: git reset --merge This is older syntax but does the same as the above. Prior to version 1.6.2: git reset --hard which removes all uncom...
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Reset other branch to current without a checkout

...ws you describe are not equivalent: when you perform reset --hard you lose all the changes in the working tree (you might want to make it reset --soft). What you need is git update-ref refs/heads/OtherBranch refs/heads/CurrentBranch ...
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Can a shell script set environment variables of the calling shell? [duplicate]

..., when run, will set some environment variables that will stay set in the caller's shell. 21 Answers ...
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CSS overflow-x: visible; and overflow-y: hidden; causing scrollbar issue

... edited Aug 14 '17 at 18:00 callum 23k2424 gold badges8383 silver badges134134 bronze badges answered Jun 22 '11 at 0:13 ...
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How to set HTTP headers (for cache-control)?

...low. Some information on the Cache-Control header is as follows HTTP 1.1. Allowed values = PUBLIC | PRIVATE | NO-CACHE | NO-STORE. Public - may be cached in public shared caches. Private - may only be cached in private cache. No-Cache - may not be cached. No-Store - may be cached but not archived. ...
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How to convert SecureString to System.String?

All reservations about unsecuring your SecureString by creating a System.String out of it aside , how can it be done? 11 A...
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Is there a cross-domain iframe height auto-resizer that works?

...to their content. It uses the PostMessage and MutationObserver APIs, with fall backs for IE8-10. It also has options for the content page to request the containing iFrame is a certain size and can also close the iFrame when your done with it. https://github.com/davidjbradshaw/iframe-resizer 2. Use E...