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What is the “right” way to iterate through an array in Ruby?
... way to iterate, useful when you want to transform one array into another.
select is the iterator to use when you want to choose a subset.
inject is useful for generating sums or products, or collecting a single result.
It may seem like a lot to remember, but don't worry, you can get by without k...
How to get first N elements of a list in C#?
... Except that you're now ordering only the first 5 elements after you've selected them. It may be faster, but it also has different semantics, which are less likely to be what people actually want to achieve.
– Greg Beech
Nov 26 '08 at 9:01
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Client to send SOAP request and receive response
...lope>";
string parms = string.Join(string.Empty, parameters.Select(kv => String.Format("<{0}>{1}</{0}>", kv.Key, kv.Value)).ToArray());
var s = String.Format(xmlStr, action, new Uri(url).GetLeftPart(UriPartial.Authority) + "/", parms);
soapEnvelo...
How to find the size of localStorage
...ntil DevTools are opened)
Opera 12.15 ~4212ms /3.55Mb (this is when 5Mb is selected, but Opera asks nicely if we want increase the amount of lS, unfortunately it crashes if test conducted a few times in a row)
Win 8 (Under Parallels 8)
IE10 ~7850ms /9.54Mb
...
How to force NSLocalizedString to use a specific language
...ib languages, you have to reload the xibs by hand, from the bundle of your selected language.
– gklka
Jan 23 '14 at 21:57
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Why should weights of Neural Networks be initialized to random numbers? [closed]
...imization algorithms such as stochastic gradient descent use randomness in selecting a starting point for the search and in the progression of the search.
The progression of the search or learning of a neural network is known as convergence. Discovering a sub-optimal solution or local optima result ...
JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
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public int getCircleCount() {
Object param = "1";
String sql = "select count(*) from circle where id = ? ";
jdbcTemplate.setDataSource(getDataSource());
int result = getJdbcTemplate().queryForObject(sql, new Object[] { param }, Integer.class);
return result;
}
...
What is scope/named_scope in rails?
...Zombie.rotting.fresh.recent.limit(3)
It translates to the below in SQL,
select "zombies.*" from "zombies" where "zombies"."rotting" = 't' and (age<20) order by create_at desc limit 3
Example above is based on rails 4 syntax
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HTML5 Canvas 100% Width Height of Viewport?
...o copy the fiddle code to run on your local machine, in which case you can select the mode via a querystring argument, as ?mode=redraw
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Is it possible to write data to file using only JavaScript?
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Yes, you can not write into system file without select it. Read Official Docs: w3.org/TR/file-upload/#security-discussion
– Manoj Ghediya
Aug 2 '19 at 7:10
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