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How to resize a tableHeaderView of a UITableView?
I'm having trouble resizing a tableHeaderView. It simple doesn't work.
19 Answers
19
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How do you use version control with Access development?
...tion. It has a good amount of VBA, a number of queries, a small amount of tables, and a few forms for data entry & report generation. It's an ideal candidate for Access.
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Drop data frame columns by name
...multiple variables:
within(df, rm(x, y))
Or if you're dealing with data.tables (per How do you delete a column by name in data.table?):
dt[, x := NULL] # Deletes column x by reference instantly.
dt[, !"x"] # Selects all but x into a new data.table.
or for multiple variables
dt[, c("x","y...
How to work around the lack of transactions in MongoDB?
...is that, in a relational database, we need to make changes across multiple tables. Usually tables that need to be joined and so we want to do that all at once. And to do it, since there are multiple tables, we'll have to begin a transaction and do all those updates and then end the transaction. But ...
Download file of any type in Asp.Net MVC using FileResult?
... @MohammedNoureldin it is not "figuring" it, there is a simple mapping table based on file extensions or something like that. The server does it for all static files, it is not slow.
– Al Kepp
Jul 26 '19 at 9:59
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ADO.NET DataRow - check for column existence
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You can simply check like this:
return row.Table.Columns.Contains(columnName);
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Pretty-print an entire Pandas Series / DataFrame
...te_yearfirst, encoding, and many many more: pandas.pydata.org/pandas-docs/stable/options.html
– nealmcb
Jan 19 '17 at 14:15
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How to use DISTINCT and ORDER BY in same SELECT statement?
..., such as Order, event, etc. so if you have (for example) a column in your table called Event you can write [Event] instead of Event to stop SQL throwing a parse error.
– Ben Maxfield
Oct 24 '16 at 21:26
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Multiline string literal in C#
... to form a verbatim string literal:
string query = @"SELECT foo, bar
FROM table
WHERE id = 42";
You also do not have to escape special characters when you use this method, except for double quotes as shown in Jon Skeet's answer.
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What is Lazy Loading?
...ded.
I.e. suppose you needed to have a record which has a join of several tables. If you fetched it all at once it would take longer than if you would fetch say only the main table. Using lazy-loading the rest of the information will be fetched only if it is needed. So it is actually 'efficient-loa...