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Linux, Why can't I write even though I have group permissions?
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@Ben: Starting a new process inherits uid/gids from its parent. You need a privileged program (such as login, su, etc.) to actually set uid/gids.
– ephemient
Feb 22 '11 at 2:48
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show all tags in git log
...t a corner case, but quite instructive about tags in general, and it comes from another SO contributor Jakub Narębski):
Please note that the name of tag (heavyweight tag, i.e. tag object)
is stored in two places:
in the tag object itself as a contents of 'tag' header (you can see it...
PHP + curl, HTTP POST sample code?
...le
curl.cainfo=c:\php\cacert.pem
The latest cacert.pem can be downloaded from the Internet or extracted from your favorite browser. When changing any php.ini related settings remember to restart your webserver.
share
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what is the preferred way to mutate a React state?
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Calling this.setState with a value derived from this.state will have you fall foul of update batching issues. See stackoverflow.com/a/41445812/1998186 which links to a jsfiddle showing the problem you'll get.
– NealeU
Jan 3 '17 ...
Build vs new in Rails 3
...ew method, but with the automatic assignment of the foreign key. Straight from the docs:
5 Answers
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Parsing Visual Studio Solution files
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@JeffG I am also using VS 2017. If I add Mircosoft.Build from the Assemblies tab in Add Reference, then I do not have access to SolutionFile. However, if I browse and reference the dll located in the folder above, then it does seem to work.
– Inrego
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Difference between two dates in Python
...get the difference between two datetime objects and take the days member.
from datetime import datetime
def days_between(d1, d2):
d1 = datetime.strptime(d1, "%Y-%m-%d")
d2 = datetime.strptime(d2, "%Y-%m-%d")
return abs((d2 - d1).days)
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Associativity of “in” in Python?
...code: JUMP_IF_FALSE_OR_POP, which shortens the sequence by one instruction from 13 to 12. Cool answer - thanks!!
– Dave
Sep 30 '12 at 20:23
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What's a redirect URI? how does it apply to iOS app for OAuth2.0?
...app.
The other key point to this puzzle is that you could launch your app from a URL given to a webview. To do this, i simply followed the guide on here:
http://iosdevelopertips.com/cocoa/launching-your-own-application-via-a-custom-url-scheme.html
and
http://inchoo.net/mobile-development/iphone...
Set “this” variable easily?
...otype object so every function can use them (since every function inherits from this prototype via prototypal inheritance). These functions are the following:
Function.prototype.call(): This function takes the object which you want to use as this as a first argument. Then the remainder of the argu...