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Can I escape html special chars in javascript?
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I think regular expressions in replace() calls are unnecessary. Plain old single-character strings would do just as well.
– jamix
May 30 '14 at 14:47
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data.table vs dplyr: can one do something well the other can't or does poorly?
...j and by together is by design. By keeping related operations together, it allows to easily optimise operations for speed and more importantly memory usage, and also provide some powerful features, all while maintaining the consistency in syntax.
1. Speed
Quite a few benchmarks (though mostly on g...
rmagick gem install “Can't find Magick-config”
I get the error shown below when attempting to install the rmagick gem. I am on Snowleopard 10.6 using RVM, Ruby 1.9.2-head and Rails 3.05. Responses to similar questions recommended installing ImageMagick, which I successfully did. Other suggested installing the "libmagick9-dev library", however, I...
schema builder laravel migrations unique on two columns
...nique key across multiple columns.
$table->unique(array('mytext', 'user_id'));
or (a little neater)
$table->unique(['mytext', 'user_id']);
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How to version control a record in a database
...O table. Happy days.
Then, I would create a FOO_HISTORY table. This has all the columns of the FOO table. The primary key is the same as FOO plus a RevisionNumber column. There is a foreign key from FOO_HISTORY to FOO. You might also add columns related to the revision such as the UserId and R...
How can I get the count of milliseconds since midnight for the current?
... // Get current moment in UTC, then…
.get( ChronoField.MILLI_OF_SECOND ) // interrogate a `TemporalField`.
2017-04-25T03:01:14.113Z → 113
Get the fractional second in nanoseconds (billions).
Divide by a thousand to truncate to milliseconds (thousands).
See this code run l...
UIViewContentModeScaleAspectFill not clipping
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If you want to expand your knowledge there is a really good article on how the iOS UIView stack is rendered. There is also a more in-depth article about the whole drawing pipeline.
In summary:
Rasterisation - All the view's content is rasterised (drawn or a offscreen pix...
Most lightweight way to create a random string and a random hexadecimal number
...165037870407104
9.0292739868164062
5.2836320400238037
t3 only makes one call to the random module, doesn't have to build or read a list, and then does the rest with string formatting.
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Why doesn't CSS ellipsis work in table cell?
... This is exactly what I needed. I have the table width 100%. And all of the columns except for one with a fixed width. This allows the last column to take up as much space as is left over.
– matthew_360
Nov 4 '14 at 18:48
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Receiving login prompt using integrated windows authentication
...pted for a login. I have set Windows Authentication to enabled in IIS with all other security types disabled and my application web.config file authentication/authorization is set up as:
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