There is some support for conditional compilation in XAML. It’s not the same as in C#, code, though. The trick is to use AlternateContent with Requires against something flagged Ignorable. By doing this, you can actually have portions of your xaml unavailable based on conditions, and turn on or off.
You are using it wrong. Use it this way: a = 2 if i in [1, 3, 6] else 7 The general form is: var = val1 if cond else val2
You don’t have to create the default vector if you don’t use it. You just have to ensure the declaration is done outside the if block. fn accept(input: &Vec<String>) { let def; let vec = if input.is_empty() { def = vec![“empty”.to_string()]; &def } else { input }; // … do something with `vec` } Note … Read more
$a = array(‘a’ => ‘abc’) + ($condition ? array(‘b’ => ‘xyz’) : array());
Try the following: # Transform data in first dataframe df1 = pd.DataFrame(data) # Save the data in another datframe df2 = pd.DataFrame(data) # Rename column names of second dataframe df2.rename(index=str, columns={‘Reader_ID1’: ‘Reader_ID1_x’, ‘SITE_ID1’: ‘SITE_ID1_x’, ‘EVENT_TS1’: ‘EVENT_TS1_x’}, inplace=True) # Merge the dataframes into another dataframe based on PERSONID and Badge_ID df3 = pd.merge(df1, df2, how=’outer’, on=[‘PERSONID’, … Read more
I suggest wrapping each key/value pair into custom control with 2 properties. This control will display itself only if value is not empty: <%@ Control Language=”C#” AutoEventWireup=”true” CodeBehind=”ShowPair.ascx.cs” Inherits=”MyWA.ShowPair” %> <% if (!string.IsNullOrEmpty(Value)) { %> <%=Key %> : <%=Value %> <% } %> And then put controls into repeater template: <asp:Repeater runat=”server” ID=”repeater1″> <ItemTemplate> <cst:ShowPair … Read more
There is no difference. What your professor prefers is called Yoda conditions also see “Yoda Conditions”, “Pokémon Exception Handling” and other programming classics. It is supposed to prevent the usage of assignment(=) by mistake over equality(==) in a comparison, but modern compilers should warn about this now, so this type of defensive programming should not … Read more
Use isin for check membership: df1[“EU”] = np.where(df1[“Country”].isin(EU), “EU”, “Other”) print (df1) Capital Country EU 0 Washington USA Other 1 Berlin Germany EU 2 Moscow Russia Other 3 Warsaw Poland EU
EDIT: as @Bonshington commented, this answer refers to NSCondition (as opposed to NSConditionLock): – (void) method1 { [myCondition lock]; while (!someCheckIsTrue) [myCondition wait]; // Do something. [myCondition unlock]; } – (void) method2 { [myCondition lock]; // Do something. someCheckIsTrue = YES; [myCondition signal]; [myCondition unlock]; } The someCheckIsTrue can be anything, it could be a … Read more