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Undo git reset --hard with uncommitted files in the staging area
... solution. In case of PHPstorm I just had to right click the directory and select show local history and then revert to the last valid state.
– Shalom Sam
Sep 22 '14 at 4:44
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What is the _snowman param in Ruby on Rails 3 forms for?
...orrectly concatenates the utf8 parameter and its value with the value of a selection option in the form.
– Christer Fernstrom
May 28 '14 at 16:30
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What does the C++ standard state the size of int, long type to be?
...header for them, download or make one, preferably with either compile time selection of such types or static assertions to verify the size. pubs.opengroup.org/onlinepubs/009695299/basedefs/stdint.h.html If the precise sizes aren't so important and you only care they're at least that big, then your...
Remove padding or margins from Google Charts
...It looks like they documented it Oct. 2, 2015, here: archive.is/lwbQY#selection-2997.0-3011.1
– Dave Burton
Mar 31 '16 at 22:06
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Using Rails 3.1 assets pipeline to conditionally use certain css
...r the entirety of the stylesheets. I'm not sure if there's another way to selectively include part of the styles unless it's on a separate stylesheet. At least this way we compile to only a handful of CSS files.
– gcastro
Sep 8 '11 at 17:16
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Nested attributes unpermitted parameters
...4, I was able to get it working by structuring my fields_for as:
<%= f.select :tag_ids, Tag.all.collect {|t| [t.name, t.id]}, {}, :multiple => true %>
Then in my controller I have my strong params as:
private
def post_params
params.require(:post).permit(:id, :title, :content, :publi...
git: How to diff changed files versus previous versions after a pull?
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+1 for what I was googling. Would be awesome if this was selected as the answer and bumped to the top... :)
– longda
Mar 29 '13 at 22:36
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HashMap get/put complexity
...te information out of thin air. Having a data structure of n element I can select one element in n different way. With that, I can encode log(n) bit information. If I can encode that in zero bit (that is what O(1) means) then I created an infinitely compressing ZIP algorithm.
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Why does std::getline() skip input after a formatted extraction?
...he stream:
"John\n"
A newline is always appended to your input when you select Enter or Return when submitting from a terminal. It is also used in files for moving toward the next line. The newline is left in the buffer after the extraction into name until the next I/O operation where it is eithe...
JavaScript string encryption and decryption?
... the details? Or...
Do you need to implement a specific protocol?
If you selected the first option, get CipherSweet.js.
The documentation is available online. EncryptedField is sufficient for most use cases, but the EncryptedRow and EncryptedMultiRows APIs may be easier if you have a lot of dist...