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The tilde operator in C
...se of tilde operator :
1. It is used in masking operation , Masking means setting and resetting the values inside any register . for ex :
char mask ;
mask = 1 << 5 ;
It will set mask to a binary value of 10000 and this mask can be used to check the bit value present inside other variable...
How to show current time in JavaScript in the format HH:MM:SS?
Can you please tell me how to set time in this format HH:MM:SS .I want to set that this in an div ?
11 Answers
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Getting result of dynamic SQL into a variable for sql-server
...E @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt int OUTPUT', @city = @city, @cnt=@counts OUTPUT
select @counts as ...
An error occurred while validating. HRESULT = '8000000A'
... it won't be solved, and Microsoft advises to move away from Visual Studio Setup projects (.vdproj).
We've worked around this issue by triggering the MSI build a second time when it fails a first time. Not nice, but it works most of the time (error rate is down from ~ 10% to ~ 1%).
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Relative frequencies / proportions with dplyr
Suppose I want to calculate the proportion of different values within each group. For example, using the mtcars data, how do I calculate the relative frequency of number of gears by am (automatic/manual) in one go with dplyr ?
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Declaring abstract method in TypeScript
..., too, cannot use "this" in the super() call. I can use it right after, to set the parent's member for the child implementation, but this does not enforce extension of the abstract class. I am using Palantir's Eclispe Typsscript plugin, v1.0.1. I notice that super(this) works fine in typescriptlang....
What is the difference between sigaction and signal?
...n app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
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What is the most efficient way to deep clone an object in JavaScript?
...y
If you do not use Dates, functions, undefined, Infinity, RegExps, Maps, Sets, Blobs, FileLists, ImageDatas, sparse Arrays, Typed Arrays or other complex types within your object, a very simple one liner to deep clone an object is:
JSON.parse(JSON.stringify(object))
const a = {
string: 's...
How to recursively list all the files in a directory in C#?
How to recursively list all the files in a directory and child directories in C#?
22 Answers
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tooltips for Button
... my case tooltip really does no work on disabled buttons because Bootstrap sets pointer-events: none for disabled state. It should work if set pointer-events: auto directly to the element.
– Vitaliy Alekask
Sep 7 '16 at 9:45
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