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Deleting lines from one file which are in another file
...get patterns from f2
One can instead use grep -F or fgrep to match fixed strings from f2 rather than patterns (in case you want remove the lines in a "what you see if what you get" manner rather than treating the lines in f2 as regex patterns).
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Calling Java from Python
What is the best way to call java from python?
(jython and RPC are not an option for me).
9 Answers
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Finding the average of a list
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@Steinfeld I don't think conversion to string is the best way to go here. You can achieve the same in a cleaner way with round(result, 2).
– yprez
Mar 3 '19 at 10:57
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source of historical stock data [closed]
... demonstrates how to download real-time data:
public void Start()
{
string url = "http://finance.yahoo.com/d/quotes.csv?s=MSFT+GOOG&f=snl1d1t1ohgdr";
//Get page showing the table with the chosen indices
HttpWebRequest request = null;
IDatabase database =
DatabaseFactor...
Using -performSelector: vs. just calling the method
...s explained in a previous answer. For example
SEL method = NSSelectorFromString([NSString stringWithFormat:@"doSomethingWithMy%@:", @"Age");
[object performSelector:method];
The other use, is to asynchronously dispatch a message to object, that will be executed later on the current runloop. For ...
Convert int to ASCII and back in Python
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ASCII to int:
ord('a')
gives 97
And back to a string:
in Python2: str(unichr(97))
in Python3: chr(97)
gives 'a'
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Split long commands in multiple lines through Windows batch file
...t ---
Test6
one
two
And it is also possible to embed line feeds into the string:
setlocal EnableDelayedExpansion
set text=This creates ^
a line feed
echo Test7: %text%
echo Test8: !text!
--- Output ---
Test7: This creates
Test8: This creates
a line feed
The empty line is important for the succ...
how to use adb command to push a file on device without sd card
...ge/emulated/legacy/myVideoFile.mp4
For retrieve the path in the code:
String myFilePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/myVideoFile.mp4";
This is all. This solution doesn't give permission problems and it works fine.
Last point: I wanted to change the video ...
In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?
...up again.
public static void RemoveEverythingButUserInfo()
{
foreach (String o in HttpContext.Current.Session.Keys)
{
if (o != "UserInfoIDontWantToAskForAgain")
keys.Add(o);
}
}
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Entity Framework Migrations renaming tables and columns
...long Id { get; set; }
public long AccountId { get; set; }
public string ApplicationUserId { get; set; }
public virtual Account Account { get; set; }
public virtual ApplicationUser User { get; set; }
}
Will generate the migration:
protected override void Up(MigrationBuilde...