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Android app in Eclipse: Edit text not showing on Graphical layout
...pse, but then I drag the Plain text option on to the graphical layout, a message at the bottom comes up. It reads
Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V
Exception details are logged in Window > Show View > Error Log
Even when I go to Window > Show View ...
How can I set the default timezone in node.js?
How do I set the default timezone in node.js?
16 Answers
16
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Programmatically open new pages on Tabs
...Explorer users.
Opening pages using Window.open with a different window name will open in a new browser window like a popup, OR open in a new tab, if the user configured the browser to do so.
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How can I confirm a database is Oracle & what version it is using SQL?
...if possible, what version of Oracle they are running by sending a SQL statement to the datasource.
10 Answers
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Naming of ID columns in database tables
...D as the id you are making reporting that much more difficult. It obscures meaning and makes complex queries harder to read as well as requiring you to use aliases to differentiate on the report itself.
Further if someone is foolish enough to use a natural join in a database where they are availab...
vim, switching between files rapidly using vanilla Vim (no plugins)
...ferent machines frequently, it is often too much trouble to move my environment around everywhere. I want to just stay in vanilla Vim.
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Can the Android layout folder contain subfolders?
... made a demo project showing how.
The trick is to use gradle's ability to merge multiple resource folders, and set the res folder as well as the nested subfolders in the sourceSets block.
The quirk is that you can't declare a container resource folder before you declare that folder's child resou...
Determine the number of NA values in a column
I want to count the number of NA values in a data frame column. Say my data frame is called df , and the name of the column I am considering is col . The way I have come up with is following:
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How do I check if a string contains another string in Swift?
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You can do exactly the same call with Swift:
Swift 4 & Swift 5
In Swift 4 String is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1:
let string = "hello Swift"
if string.contains("...
Reading Excel files from C#
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var fileName = string.Format("{0}\\fileNameHere", Directory.GetCurrentDirectory());
var connectionString = string.Format("Provider=Microsoft.Jet.OLEDB.4.0; data source={0}; Extended Properties=Excel 8.0;", fileName);
var adapter = new...