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Combine two columns of text in pandas dataframe
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if both columns are strings, you can concatenate them directly:
df["period"] = df["Year"] + df["quarter"]
If one (or both) of the columns are not string typed, you should convert it (them) first,
df["period"] = df["Year"].astype(str) + df["q...
AssertContains on strings in jUnit
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If you add in Hamcrest and JUnit4, you could do:
String x = "foo bar";
Assert.assertThat(x, CoreMatchers.containsString("foo"));
With some static imports, it looks a lot better:
assertThat(x, containsString("foo"));
The static imports needed would be:
import static or...
How to do a recursive find/replace of a string with awk or sed?
...erfectly, but I'm curious why the escaping is only presented for the first string pattern.
– elrobis
Jul 5 at 16:12
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What is the difference between C# and .NET?
...om instance void [mscorlib]System.Reflection.AssemblyTitleAttribute::.ctor(string) = ( 01 00 0A 54 65 73 74 49 4C 44 41 53 4D 00 00 ) // ...TestILDASM..
.custom instance void [mscorlib]System.Reflection.AssemblyDescriptionAttribute::.ctor(string) = ( 01 00 00 00 00 )
.custom instance void [m...
How to fix “Headers already sent” error in PHP
...rom output logic.
Place form processing code atop scripts.
Use temporary string variables to defer messages.
The actual output logic and intermixed HTML output should follow last.
Whitespace before <?php for "script.php line 1" warnings
If the warning refers to output in line 1, then it's mo...
Android map v2 zoom to show all the markers
...le marker points with drawable icon
private void drawMarker(LatLng point, String text) {
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(point).title(text).icon(BitmapDescriptorFactory.fromResource(R.drawable.icon));
mMap.addMarker(markerOptions);
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Filtering DataGridView without changing datasource
...ple.
(dataGridViewFields.DataSource as DataTable).DefaultView.RowFilter = string.Format("Field = '{0}'", textBoxFilter.Text);
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Enum String Name from Value
... the int back to an enumeration member with a simple cast, and then call ToString():
int value = GetValueFromDb();
var enumDisplayStatus = (EnumDisplayStatus)value;
string stringValue = enumDisplayStatus.ToString();
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How to .gitignore files recursively
...hat there is no way to specify a certain amount of directories between two strings, like between special and js.
Nevertheless, you can have a .gitignore file per directory, so maybe in your case the following content
*.js
at the following place
MyPrject/WebApp/Scripts/special/.gitignore
would...
Clearing a string buffer/builder after loop
How do you clear the string buffer in Java after a loop so the next iteration uses a clear string buffer?
8 Answers
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