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How to resize the iPhone/iPad Simulator?
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Xcode 9.x :
Select Simulator
Goto Window tab
Select Physical Size option (cmd + 1)
Now if this dosen’t make size as per your interest then follow below steps :
Select Simulator
Goto edge of simulator. This will convert your curso...
What does the “map” method do in Ruby?
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map, along with select and each is one of Ruby's workhorses in my code.
It allows you to run an operation on each of your array's objects and return them all in the same place. An example would be to increment an array of numbers by one:
[...
Set attribute without value
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Actually, I appear to be adding "value='true'" to my select option, instead of just "value". Ugh.
– RonLugge
Feb 27 '18 at 20:32
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Primary key/foreign Key naming convention [closed]
...e the USING syntax in SQL to save some typing and some boilerplate noise:
SELECT name, address, amount
FROM employees JOIN payroll USING (employee_id)
Another argument in favor of convention #2 is that it's the way the relational model was designed.
The significance of each column is
part...
Disable ALL CAPS menu items in Visual Studio 2013
... menus back.
First Variant: Since Package Manager Console is Powershell, select menu options TOOLS / Library Package Manager / Package Manager Console and enter and run
Set-ItemProperty -Path HKCU:\Software\Microsoft\VisualStudio\12.0\General -Name SuppressUppercaseConversion -Type DWord -Value 1...
Pass a data.frame column name to a function
...(x[,column])
}
fun1(df, "B", max)
Alternatively, using [[ also works for selecting a single column at a time:
df <- data.frame(A=1:10, B=2:11, C=3:12)
fun1 <- function(x, column){
max(x[[column]])
}
fun1(df, "B")
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Getting “cannot find Symbol” in Java project in Intellij
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Select Build->Rebuild Project will solve it
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How can I inspect disappearing element in a browser?
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An alternative method in Chrome:
Open devTools (F12).
Select the "Sources" tab.
While the element you want is displayed, press F8 (or Ctrl+/). This will break script execution and "freeze" the DOM exactly as it is displayed.
From this point, use Ctrl+Shift+C to select the elemen...
How to Use slideDown (or show) function on a table row?
...uld try wrapping the contents of the row in a <span> and having your selector be $('#detailed_edit_row span'); - a bit hackish, but I just tested it and it works. I also tried the table-row suggestion above and it didn't seem to work.
update: I've been playing around with this problem, and fr...
How to get the Display Name Attribute of an Enum member via MVC razor code?
...eturn value.GetType().GetFields(BindingFlags.Static | BindingFlags.Public).Select(fi => fi.Name).ToList();
}
public static IList<string> GetDisplayValues(Enum value)
{
return GetNames(value).Select(obj => GetDisplayValue(Parse(obj))).ToList();
}
private stat...