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How to allocate aligned memory only using the standard library?
...impossibly badly aligned pointer: 0x800001. Adding the 16 gives 0x800011. Now I want to round down to the 16-byte boundary — so I want to reset the last 4 bits to 0. 0x0F has the last 4 bits set to one; therefore, ~0x0F has all bits set to one except the last four. Anding that with 0x800011 giv...
How to extract text from a PDF? [closed]
...es from a PDF?
We need to be able to get at text that is contained in pre-known regions of the document, so the API will need to give us positional information of each element on the page.
...
How to convert a LocalDate to an Instant?
...for you automatically, so you must provide it.
LocalDate date = LocalDate.now();
Instant instant = date.atStartOfDay(ZoneId.systemDefault()).toInstant();
This example uses the default time-zone of the JVM - ZoneId.systemDefault() - to perform the conversion. See here for a longer answer to a rela...
ListView item background via custom selector
...ppen, I don't even want to talk about it, if you have such a problem, you know them.
Now, If you want to have a listview with different states and 9-patch drawables (it would work with any drawables and colors, I think) you have to do 2 things:
Set the selector for the items in the list.
Get rid ...
Change branch base
...^..commit5 # cherry-pick range of commits
# note the '^' after commit4
Now, if all is ok, then do force (-f) push to remote PRO branch and delete local PRO.bac branch:
$ git log # check the commit history
$ git push -f origin HEAD # replace the remote PRO by local PRO branch ...
Multi-gradient shapes
...reen from 55% to the end. This may not look exactly like your shape (Right now, I have no way of testing these colors), but you can modify this to replicate your example.
Edit: Also, the 0, 0, 0, theButton.getHeight() refers to the x0, y0, x1, y1 coordinates of the gradient. So basically, it start...
How to use nodejs to open default browser and navigate to a specific URL
... Please update to suggest opn instead of open as the latter is deprecated now.
– Samir Aguiar
Jan 25 '17 at 12:48
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show 7 more comments
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Specifying column name in a “references” migration
...
Do it manually:
add_column :post, :author_id, :integer
but now, when you create the belongs_to statement, you will have to modify it, so now you have to call
def post
belongs_to :user, :foreign_key => 'author_id'
end
...
Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
...
I've been using Solr successfully for almost 2 years now, and have never used Sphinx, so I'm obviously biased.
However, I'll try to keep it objective by quoting the docs or other people. I'll also take patches to my answer :-)
Similarities:
Both Solr and Sphinx satisfy all ...
git selective revert local changes from a file
...:
git add -i
(select the hunks you want to keep)
git commit -m "tmp"
Now you have a commit with only the changes you want to keep, and the rest is unstaged.
git reset --hard HEAD
At this point, uncommitted changes have been discarded, so you have a clean working directory, with the changes ...