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Impossible to Install PG gem on my mac with Mavericks
I'm trying to install the pg gem in order to work again with my rails projects. But I get this error:
26 Answers
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Undo part of unstaged changes in git
...e diff between your working copy and index to revert. Likewise, git add -p allows you to choose hunks to add to the index, and git reset -p allows you to choose individual hunks from the diff between the index and HEAD to back out of the index.
$ git checkout -p file/to/partially/revert
# or ...
$ ...
How to pick a new color for each plotted line within a figure in matplotlib?
...at the bottom of this answer: stackoverflow.com/questions/4805048/… Basically you just do this: [colormap(i) for i in np.linspace(0, 0.9, num_plots)], where colormap is one of the colormaps in matplotlib.pyplot.cm and numplots is the number of unique colors that you want. Beware that this can res...
Don't reload application when orientation changes
...
There are generally three ways to do this:
As some of the answers suggested, you could distinguish the cases of your activity being created for the first time and being restored from savedInstanceState. This is done by overriding onSaveIn...
Debugging “Element is not clickable at point” error
...as no clue that the span exists, and the browser doesn't care when you actually click it, as a human. Neither moving around, nor waiting will solve this issue; either avoid Chrome/chromedriver, or rewrite the page's HTML seem to be the only options for people in case 3.
– Don...
Using app.configure in express
... to the doc.
In your example, the two piece of codes have no difference at all.
http://expressjs.com/api.html#app.configure
Update 2015:
@IlanFrumer points out that app.configure is removed in Express 4.x. If you followed some outdated tutorials and wondering why it didn't work, You should remove ...
fancybox - d.onCleanup is not a function
...ut of curiosity, why is this? It doesn't seem to work if the css files are all combined into one either...
– SeanJA
Apr 30 '11 at 4:59
3
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How do I change column default value in PostgreSQL?
... name, only that table is altered. If ONLY is not specified, the table and all its descendant tables (if any) are altered" postgresql.org/docs/9.3/static/sql-altertable.html
– Yodan Tauber
Dec 20 '15 at 8:41
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How to perform Unwind segue programmatically?
...d this is very easy. You just drag the action to "Exit". But how should I call it from my code?
10 Answers
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Retrieving a List from a java.util.stream.Stream in Java 8
... provided your stream stays sequential—otherwise you will have to put a call to sequential() before forEach.
[later edit: the reason the call to sequential() is necessary is that the code as it stands (forEach(targetLongList::add)) would be racy if the stream was parallel. Even then, it will not...