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How does the bitwise complement operator (~ tilde) work?
...numbers are stored in 2's complement form,
the acquired result we have to convert into 2's complement( first perform 1's complement and just add 1 to 1's complement).
all the one will become zeros,except most significant bit 1(which is our sign representation of the number,that means for remaining...
How do I compare two strings in Perl?
...o be different. How hard is that?! Being a numeric comparison operator, != converts both its operands to numbers perl -E 'say "equal" if not "a" != "b"'.
– Sinan Ünür
Jan 24 '15 at 17:36
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How to compare types
...ue is a string and you can do your work here
}
this has the advantage to convert value only once into the specified type.
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Received an invalid column length from the bcp client for colid 6
...h match = Regex.Match(ex.Message.ToString(), pattern);
var index = Convert.ToInt32(match.Value) -1;
FieldInfo fi = typeof(SqlBulkCopy).GetField("_sortedColumnMappings", BindingFlags.NonPublic | BindingFlags.Instance);
var sortedColumns = fi.GetValue(bulkCopy);
var it...
How to handle checkboxes in ASP.NET MVC forms?
...each (var o in ViewData.Model) { %>
<input type="checkbox" name="selectedObjects" value="<%=o.Id%>">
<%= o.Name %>
<%}%>
<input type="submit" value="Submit" />
<%}%>
Your checkboxes are all called selectedObjects, and the value of each checkbox is...
How to clear MemoryCache?
...od
The workaround is:
List<string> cacheKeys = MemoryCache.Default.Select(kvp => kvp.Key).ToList();
foreach (string cacheKey in cacheKeys)
{
MemoryCache.Default.Remove(cacheKey);
}
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Android - Launcher Icon Size
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@android developer, you can select "Legacy only" as the icon type if you want to generate icons without specifying the background layer. If you choose "Adaptive and Legacy", the legacy icons will be generated by merging the foreground and background lay...
How to open standard Google Map application from my application?
...passing label to google maps with latitude and longitude , map application converts the label into the addresses. Can you please tell that how to solve this problem?
– Rohan Sharma
Mar 9 '18 at 18:54
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How to pass arguments into a Rake task with environment in Rails? [duplicate]
... or quote the spaces, or use quotes around the whole thing like rake 'webp:convert["hello", "world"]' .. Warning: I haven't tried this one now, but it should work.
– inger
Sep 18 '13 at 14:08
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Check if an array contains any element of another array in JavaScript
...and booleans) can be used (correctly), because the values are (implicitly) converted to strings and set as the keys to the lookup map. This isn't exactly good/possible/easily done for non-literal values.