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The smallest difference between 2 Angles
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It returns the signed delta angle. Note that depending on your API the order of the parameters for the atan2() function might be different.
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Relative frequencies / proportions with dplyr
...ep with groups.
The outcome of the peeling is of course dependent of the order of the grouping variables in the group_by call. You may wish to do a subsequent group_by(am), to make your code more explicit.
For rounding and prettification, please refer to the nice answer by @Tyler Rinker.
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VBA - how to conditionally skip a for loop iteration
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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'typeid' versus 'typeof' in C++
...t, which must be a pointer to an object of a class with virtual methods in order for RTTI (run-time type information) to be stored in the class. It can also give the compile time type of an expression or a type name, if not given a pointer to a class with run-time type information.
typeof is a GNU ...
ASP.NET MVC - Set custom IIdentity or IPrincipal
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Coming from PHP, I've always put the information like UserID and other pieces needed to grant restricted access in Session. Storing it client-side makes me nervous, can you comment on why that won't be a problem?
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Setting git parent pointer to a different parent
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From what I understand (from git.wiki.kernel.org/index.php/GraftPoint), git replace has superseded git grafts (assuming you have git 1.6.5 or later).
– Alexander Bird
May 23 '11 at 12:55
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How to delete a certain row from mysql table with same column values?
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Add a limit to the delete query
delete from orders
where id_users = 1 and id_product = 2
limit 1
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How to select the last record of a table in SQL?
...he best we can do is something like
Sql Server
SELECT TOP 1 * FROM Table ORDER BY ID DESC
MySql
SELECT * FROM Table ORDER BY ID DESC LIMIT 1
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How to remove all debug logging calls before building the release version of an Android app?
... final boolean DEBUG_STARTING_WINDOW = false;
static final boolean DEBUG_REORDER = false;
static final boolean DEBUG_WALLPAPER = false;
static final boolean SHOW_TRANSACTIONS = false;
static final boolean HIDE_STACK_CRAWLS = true;
static final boolean MEASURE_LATENCY = false;
With corresponding co...
Focus Next Element In Tab Index
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Note that using flexbox the order of the elements are different in the DOM than visually in the browser. Just picking the next tabbable element does not work when you change the order of elements using flexbox.
– Haneev
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