大约有 42,000 项符合查询结果(耗时:0.0311秒) [XML]

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Average of 3 long integers

...3 - 2 + x / 3 + y / 3 + z / 3; } static long CalculateAverage(params long[] arr) { int count = arr.Length; return (arr.Sum(n => n % count) + count * (count - 1)) / count - (count - 1) + arr.Sum(n => n / count); } ...
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How to determine the first and last iteration in a foreach loop?

...intainable by separating things like this: <?php function create_menu($params) { //retrieve menu items //get collection $collection = get('xxcollection') ; foreach($collection as $c) show_collection($c); } function show_subcat($val) { ?> <div class="sub_node" style="displa...
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How to get one value at a time from a generator function in Python?

... I know this is embarrassing by why doesn't this work? W1 = params.next() but get an error AttributeError: 'generator' object has no attribute 'next' – Charlie Parker Mar 31 '18 at 3:02 ...
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JavaScript isset() equivalent

...) // false Answer Function /** * Checks to see if a value is set. * * @param {Function} accessor Function that returns our value * @returns {Boolean} Value is not undefined or null */ function isset (accessor) { try { // Note we're seeing if the returned value of our function...
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How does a PreparedStatement avoid or prevent SQL injection?

... statements you can force the user input to be handled as the content of a parameter (and not as a part of the SQL command). But if you don't use the user input as a parameter for your prepared statement but instead build your SQL command by joining strings together, you are still vulnerable to SQL...
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How can I pad a value with leading zeros?

...nd the -6,6 correspond to the pad width. Same idea but slice take one less param; not sure if slice is faster or slower than subtr. Of course my solution isn't needing variable assignment. – slartibartfast Mar 4 '14 at 7:41 ...
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Is there a way to change the spacing between legend items in ggplot2?

...g between legend keys # @clauswilke draw_key_polygon3 <- function(data, params, size) { lwd <- min(data$size, min(size) / 4) grid::rectGrob( width = grid::unit(0.6, "npc"), height = grid::unit(0.6, "npc"), gp = grid::gpar( col = data$colour, fill = alpha(data$fill,...
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Update Row if it Exists Else Insert Logic with Entity Framework

...c void AddOrUpdate<TEntity>( this IDbSet<TEntity> set, params TEntity[] entities ) where TEntity : class which by the doc: Adds or updates entities by key when SaveChanges is called. Equivalent to an "upsert" operation from database terminology. This method can be usefu...
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How to detect when facebook's FB.init is complete

...intain user login status between refreshes, set cookie to true in the init param object. – M.K. Safi Mar 8 '17 at 2:49 add a comment  |  ...
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Clone Object without reference javascript [duplicate]

...ith much data. And i want to clone this in other variable. When i set some param of the instance B has the same result in the original object: ...