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How to test if string exists in file with Bash?
...s of the man page for grep:
grep [options] PATTERN [FILE...]
-F, --fixed-strings
Interpret PATTERN as a list of fixed strings, separated by newlines, any of which is to be matched.
-x, --line-regexp
Select only those matches that exactly match the whole line.
-q, -...
Convert columns to string in Pandas
...
One way to convert to string is to use astype:
total_rows['ColumnID'] = total_rows['ColumnID'].astype(str)
However, perhaps you are looking for the to_json function, which will convert keys to valid json (and therefore your keys to strings):
I...
python: SyntaxError: EOL while scanning string literal
I have the above-mentioned error in s1="some very long string............"
15 Answers
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
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Easy:
Create interface class, where String output is optional, or can be whatever variables you want to return.
public interface AsyncResponse {
void processFinish(String output);
}
Go to your AsyncTask class, and declare interface AsyncResponse as a fie...
How to convert DateTime to/from specific string format (both ways, e.g. given Format is “yyyyMMdd”)?
I am having a problem converting a datetime which is in string format but I am not able to convert it using "yyyyMMdd" format.
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How to get relative path from absolute path
...ption cref="InvalidOperationException"></exception>
public static String MakeRelativePath(String fromPath, String toPath)
{
if (String.IsNullOrEmpty(fromPath)) throw new ArgumentNullException("fromPath");
if (String.IsNullOrEmpty(toPath)) throw new ArgumentNullException("toPath");...
Return multiple values to a method caller
... that C# 7 has been released, you can use the new included Tuples syntax
(string, string, string) LookupName(long id) // tuple return type
{
... // retrieve first, middle and last from data storage
return (first, middle, last); // tuple literal
}
which could then be used like this:
var n...
android get real path by Uri.getPath()
...mageFile = new File(getRealPathFromURI(selectedImageURI));
and:
private String getRealPathFromURI(Uri contentURI) {
String result;
Cursor cursor = getContentResolver().query(contentURI, null, null, null, null);
if (cursor == null) { // Source is Dropbox or other similar local file pat...
Get file name from URI string in C#
I have this method for grabbing the file name from a string URI. What can I do to make it more robust?
8 Answers
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Setting up connection string in ASP.NET to SQL SERVER
I'm trying to set up a connecting string in my web.config file (Visual Studio 2008/ASP.NET 3.5) to a local server (SQL server 2008).
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