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An item with the same key has already been added
... into a Dictionary<string, string> and i had a `Duplicate in the key from the database
foreach (var item in myObject)
{
myDictionary.Add(Convert.ToString(item.x),
item.y);
}
item.x had a duplicate value
...
How do you test a public/private DSA keypair?
...
Delete the public keys and generate new ones from the private keys. Keep them in separate directories, or use a naming convention to keep them straight.
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Linux vi arrow keys broken in insert mode
... On Ubuntu I solved this by simply installing vim (sudo apt install vim) from that moment on vi works fine with the arrow keys in insert mode. Edit: I see now this was already mentioned by Han below here.
– pizzamonster
Sep 11 '19 at 11:38
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How to convert a string Date to long millseconds
....util.Date using date formatter
Use getTime() to obtain count of millisecs from date
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How to use wait and notify in Java without IllegalMonitorStateException?
... sync.doWait();
}
/** at this momoent you sure that you got response from BlackBoxClass because
onResponse method released your 'wait'. In other cases if you don't want wait too
long (for example wait data from socket) you can use doWait(time)
*/
...
}
@override
public void onR...
Mercurial .hgignore for Visual Studio 2008 projects
...y standard .hgignore file for use with VS2008 that was originally modified from a Git ignore file:
# Ignore file for Visual Studio 2008
# use glob syntax
syntax: glob
# Ignore Visual Studio 2008 files
*.obj
*.exe
*.pdb
*.user
*.aps
*.pch
*.vspscc
*_i.c
*_p.c
*.ncb
*.suo
*.tlb
*.tlh
*.bak
*.cache
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How do I import .sql files into SQLite 3?
...
From a sqlite prompt:
sqlite> .read db.sql
Or:
cat db.sql | sqlite3 database.db
Also, your SQL is invalid - you need ; on the end of your statements:
create table server(name varchar(50),ipaddress varchar(15),id ini...
How do you do natural logs (e.g. “ln()”) with numpy in Python?
...
I usually do like this:
from numpy import log as ln
Perhaps this can make you more comfortable.
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Which is best way to define constants in android, either static class, interface or xml resource?
I'm developing an android application which uses web service to get data from server, for that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it a...
Optimising Android application before release [closed]
...e more often the garbage collector will need to run, stopping your process from doing anything else for relatively long periods of time, such as 100ms or so.
The best tool I know for this is the Allocation Tracker included in DDMS.
Not only GC can have an impact on the user experience, but superf...