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how to solve “ruby installation is missing psych” error?
... centos can't yum install libtool? not believe it.. are u using non-redhat based system and need to apt-get?
– phil88530
Nov 3 '12 at 9:08
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Cancel a UIView animation?
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@yourfriendzak, based on a brief test, it looks like it only cancels an animation targeting the same property. I tried changing the alpha of a scrollView whose contentOffset was animated and the contentOffset animation continued.
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How do I install pip on macOS or OS X?
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An extra warning: don't run this when a homebrew based python installed and occurs earlier in PATH (e.g. when you change /etc/paths): it would install pip with root credentials for the wrong python
– acidjunk
Jan 7 '16 at 13:56
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Reading/parsing Excel (xls) files with Python
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You can use any of the libraries listed here (like Pyxlreader that is based on JExcelApi, or xlwt), plus COM automation to use Excel itself for the reading of the files, but for that you are introducing Office as a dependency of your software, which might not be always an option.
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Create array of regex matches
...le size, and depending on whether the pattern matches sparsely or densely (based on the the sum of the lengths of allMatches vs yourStringHere.length()), you can probably precompute a good size for allMatches. In my experience, the cost of LinkedList memory and iteration efficiency-wise is not usua...
Jump to matching XML tags in Vim
...ot your selection you can toggle between the top and bottom with o (update based on Michael Gruber's note)
c - change or, y - copy or, escape for leaving visual mode ...
Another useful operation is: vit - will select content of the tag (inner).
Update (thanks to @elrado) Example: vito will enab...
What does mvn install in maven exactly do
... the dependencies required.
On a mvn install, it frames a dependency tree based on the project configuration pom.xml on all the sub projects under the super pom.xml (the root POM) and downloads/compiles all the needed components in a directory called .m2 under the user's folder. These dependencies ...
How to remove all line breaks from a string
...reaks in HTML (4.01), which the DOM tree and the textarea's live value are based on: w3.org/TR/html4/struct/text.html#whitespace
– PointedEars
May 30 '12 at 17:12
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RESTful web service - how to authenticate requests from other services?
...communication takes place over HTTPS. User authentication is going to work based on an authentication token, acquired by POSTing the username and password (over an SSL connection) to a /session resource provided by the service.
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Python: What OS am I running on?
...others), but it'll present itself as the kernel name, Linux. Darwin (a BSD-based Kernel), has its surrounding system, the macOS. I'm pretty sure apple did release Darwin as an open source code, but there's no other distro running over Darwin that I know of.
– Joao Paulo Rabelo
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