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Convert string[] to int[] in one line of code using LINQ
...method:
int[] myInts = Array.ConvertAll(arr, s => int.Parse(s));
Thanks to Marc Gravell for pointing out that the lambda can be omitted, yielding a shorter version shown below:
int[] myInts = Array.ConvertAll(arr, int.Parse);
A LINQ solution is similar, except you would need the extra ToArr...
Get the first key name of a javascript object [duplicate]
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In Javascript you can do the following:
Object.keys(ahash)[0];
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How do I add a bullet symbol in TextView?
...swered Aug 7 '10 at 7:56
Benny SkogbergBenny Skogberg
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error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
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Thats a linker problem.
Try to change Properties -> Linker -> System -> SubSystem (in Visual Studio).
from Windows (/SUBSYSTEM:WINDOWS) to Console (/SUBSYSTEM:CONSOLE)
This one helped me
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Group by month and year in MySQL
... edited Dec 22 '14 at 8:06
Mark Garcia
16k33 gold badges4848 silver badges9191 bronze badges
answered Jul 29 '10 at 21:03
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Using link_to with embedded HTML
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Two ways. Either:
<%= link_to user_path(@user) do %>
<i class="icon-ok icon-white"></i> Do it@
<% end %>
Or:
<%= link_to '<i class="icon-ok icon-white"></i> Do it@'.html_safe, user_path(@user) %>
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PostgreSQL query to list all table names?
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vyegorovvyegorov
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Is it possible to get element from HashMap by its position?
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HashMaps do not preserve ordering:
This class makes no guarantees as to
the order of the map; in particular,
it does not guarantee that the order
will remain constant over time.
Take a look at LinkedHashMap, which guarantees a predictable iteration order.
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GET URL parameter in PHP
...construct—it's just a variable (an array). Try:
<?php
echo $_GET['link'];
In particular, it's a superglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword).
Since the variable might not exist, you...
What is the difference between “word-break: break-all” versus “word-wrap: break-word” in CSS
... what is the difference between the two. When I used both they seem to break the word if it is not fitting the container. But why did W3C made two ways to do it?
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