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List of tables, db schema, dump etc using the Python sqlite3 API
....tab
job snmptarget t1 t2 t3
sqlite> select name from sqlite_master where type = 'table';
job
t1
t2
snmptarget
t3
sqlite> .schema job
CREATE TABLE job (
id INTEGER PRIMARY KEY,
data VARCHAR
);
sqlite> select sql from sqlite_master where type = 'ta...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...oose's.
I'm coming from PHP world, there we had raw sql with depreciated mysql_ functions, then we got PDO - object orientated abstraction layer to communicate with sql. Or you can choose some heavy ORM like Doctrine to have similar stuff to mongoose on mongoDB. Objects with setter/getters/save me...
How do I open links in Visual Studio in my web browser and not in Visual Studio?
...swer.
Sub OpenURLInChrome()
'copy to end of line
DTE.ActiveDocument.Selection.EndOfLine(True)
'set var
Dim url As String = DTE.ActiveDocument.Selection.Text
'launch chrome with url
System.Diagnostics.Process.Start( _
Environment.GetFolderPath(Environment.SpecialFolder.Local...
How to force LINQ Sum() to return 0 while source collection is empty
...word
&& l.Property.PropertyId == PropertyId)
.Select(l => l.Amount)
.DefaultIfEmpty(0)
.Sum();
This way, your query will only select the Amount field. If the collection is empty, it will return one element with the value of 0 and then the sum will ...
How to create an installer for a .net Windows Service using Visual Studio
...out dragging stuff from the toolbox.
Then right click on the gray area and select add installer. This will add an installer project file to your project.
Then you will have 2 components on the design view of the ProjectInstaller.cs (serviceProcessInstaller1 and serviceInstaller1). You should then se...
How to copy a file to multiple directories using the gnu cp command
...
and the whole comment... For example, to move a root-owned file (a symlink actually) that was on my desktop to all users desktop I first had to sudo su (didn't work otherwise) then used: echo /home/*/Desktop/ | xargs -n 1 cp -av /home/myusername/Desktop/file.
...
How to use a class from one C# project with another C# project
...Explorer' tree, expand the P2 project and then right-click the project and select 'Add Reference' from the menu.
On the 'Add Reference' dialog, select the 'Projects' tab and select your P1 project.
If you are using namespaces then you will need to import the namespaces for your P1 types by adding ...
How to prompt for user input and read command-line arguments [closed]
...v[1]
except:
e = sys.exc_info()[0]
print e
1) To find the square root of 5
C:\Users\Desktop>python -i emp.py 5
25
['emp.py', '5']
5
2) Passing invalid argument other than number
C:\Users\bgh37516\Desktop>python -i emp.py five
usage: emp.py [-h] square
emp.py: error: argument squa...
Locate current file in IntelliJ
...ecause you followed a reference to java.io.File.
The keymap defines it as Select current file or symbol in any view.
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How to replace DOM element in place using Javascript?
...
what if it is root html element
– lisak
Jun 5 '11 at 18:01
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