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Rails raw SQL example
How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql.
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How to print from GitHub
... file.pdf
Then print the resulting PDF file.
There is also this online converter, which produced the nicest output for me:
http://www.markdowntopdf.com/
Pandoc has an online demo as well.
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HttpUtility does not exist in the current context
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i converted project from .net2 to .net4. just changing Target Framework didnt' fix problem. i needed to add the dll, too. that is explained better in at lxk613's answer , and shows what i need to do to fix the problem .
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UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
... in question, then you can directly compare its class instead of having to convert to a string and hope Apple doesn't change the nomenclature:
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer
shouldReceiveTouch:(UITouch *)touch
{
if([touch.view class] == tableview.class)...
Can you get the column names from a SqlDataReader?
...numerable<dynamic>> and .Cast<dynamic>, but it says, Cannot convert method group 'Cast' to non-delegate type 'dynamic'. Did you intend to invoke the method? what did I do wrong there? (I looked at your sources, but they required you to know the column name, which I don't)
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Replacement for “rename” in dplyr
...umn names. This example replaces spaces and periods with an underscore and converts everything to lower case:
iris %>%
select_all(~gsub("\\s+|\\.", "_", .)) %>%
select_all(tolower) %>%
head(2)
sepal_length sepal_width petal_length petal_width species
1 5.1 3.5 ...
SQL Server dynamic PIVOT query?
...T_SQL_STRING = 'SELECT top 1 STUFF((SELECT distinct '', '' + CAST(''[''+CONVERT(VARCHAR,'+ @PIVOT_COLUMN+')+'']'' AS VARCHAR(50)) [text()]
FROM '+@TABLE+'
WHERE ISNULL('+@PIVOT_COLUMN+','''') <> ''''
FOR XM...
Return first N key:value pairs from dict
...nly need the first 2 elements. What if the dictionary has 1 mil k-v pairs? Converting the whole thing to a list is expensive. Mark Byers's solution is much better.
– J.J.
Aug 4 '19 at 23:18
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Cannot ping AWS EC2 instance
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I am doing Anywhere but it automatically converts it into custom @SyedRakibAlHasan
– alper
Apr 5 '17 at 12:24
26
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How do I get a TextBox to only accept numeric input in WPF?
...ject.GetDataPresent(DataFormats.Text))
{
string text = Convert.ToString(e.DataObject.GetData(DataFormats.Text));
if (!IsValid(text, true))
{
e.CancelCommand();
}
}
else
{
e.CancelCommand();
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