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Concatenate two string literals
..., for the null terminator). When you use an array in most contexts, it is converted into a pointer to its initial element.
So, when you try to do "Hello" + ",world", what you're really trying to do is add two const char*s together, which isn't possible (what would it mean to add two pointers tog...
How to Get the Title of a HTML Page Displayed in UIWebView?
...ww.google.com"];
//for any exceptions/errors
NSError *error;
//converts the url html to a string
NSString *htmlCode = [NSString stringWithContentsOfURL:currentURL encoding:NSASCIIStringEncoding error:&error];
So we have the HTML code, now how do we get the title? Well, in every...
How to assign an exec result to a sql variable?
...urStoredProcedure 1,null, @OutputParameter OUTPUT
PRINT @ReturnValue
PRINT CONVERT(char(23),@OutputParameter ,121)
OUTPUT:
0
2010-01-01 00:00:00.000
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Custom sort function in ng-repeat
...dless of sort order.
To workaround this, we can create a custom filter to convert the object to an array, and then apply a custom sort function before returning the collection.
myApp.filter('orderByValue', function () {
// custom value function for sorting
function myValueFunction(card) {
...
Summarizing multiple columns with dplyr? [duplicate]
...le(1:5, 10, replace=T),
grp = sample(1:3, 10, replace=T))
# Convert to tidy format using gather
df %>%
gather(key = variable, value = value, a:d) %>%
group_by(grp, variable) %>%
summarize(mean = mean(value)) %>%
spread(variable, mean)
#> Source: local da...
How to pass table value parameters to stored procedure from .net code
...re ordinals
If you fail to do this you will get a parse error, failed to convert nvarchar to int.
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How can I list ALL DNS records?
...ost is a simple utility for performing DNS lookups. It is normally used to convert names to IP addresses and vice versa. When no arguments or options are given, host prints a short summary of its command line arguments and options.
...
How do I check the difference, in seconds, between two dates?
... = "%H:%M:%S"
# You could also pass datetime.time object in this part and convert it to string.
time_start = str('09:00:00')
time_end = str('18:00:00')
# Then get the difference here.
diff = datetime.strptime(time_end, date_format) - datetime.strptime(time_start, date_format)
# Get the time ...
Entity Framework is Too Slow. What are my options? [closed]
...y not use both? EF handles stored procedures and raw SQL just fine. I just converted a LINQ-to-SQL query that took 10+ seconds into a SP that takes ~1 second, but I'm not gonna throw all LINQ-to-SQL out. It saved a LOT of time in other simpler cases, with less code and less room for error and the qu...
Best Practice: Access form elements by HTML id or name attribute?
... normal JS object, and elements.foo or elements["foo"] is actually getting converted to elements.namedItem("foo"). i.e. you're calling a DOM-defined function, not referencing a JS property!
– Doin
Jul 21 '19 at 16:36
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