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Right query to get the current number of connections in a PostgreSQL DB
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This comment is for a Windows based OS. For Linux it could be something of the following: lsof -Pni:5432|fgrep ">"|fgrep -i established|wc -l
– XXL
Jul 15 '18 at 10:19
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How to avoid 'cannot read property of undefined' errors?
...ing raises an exception (and rightfully so).
You can always do
try{
window.a.b.c
}catch(e){
console.log("YO",e)
}
But I wouldn't, instead think of your use case.
Why are you accessing data, 6 levels nested that you are unfamiliar of? What use case justifies this?
Usually, you'd like t...
Path to Powershell.exe (v 2.0)
...wershell (version 2.0) located? What is the path to Powershell.exe? I have Windows Server 2008 and Powershell installed. When I look at this folder:
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System.currentTimeMillis vs System.nanoTime
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On Windows that only holds until SP2 according to: stackoverflow.com/questions/510462/…
– Peter Schmitz
Feb 22 '12 at 11:25
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How to save a git commit message from windows cmd?
...ot the fact, that entering [shift] + [z,z] brings me out of this editor in windows!! What is :wq ? I was even not able to type in another message, although i was able to delte the old message. Is there any reference of shortcuts or something like that, to learn how to navigate through this "editor...
Why does viewWillAppear not get called when an app comes back from the background?
... the relationship between the view controller's view and the application's window, i.e., the message is sent to a view controller only if its view appears on the application's window, not on the screen.
When your application goes background, obviously the topmost views of the application window are...
How to start an application without waiting in a batch file?
...h file? I have tried the start command but it just creates a new command window.
4 Answers
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How can I easily view the contents of a datatable or dataview in the immediate window
...ith the following code in my project:
#region Dataset -> Immediate Window
public static void printTbl(DataSet myDataset)
{
printTbl(myDataset.Tables[0]);
}
public static void printTbl(DataTable mytable)
{
for (int i = 0; i < mytable.Columns.Count; i++)
{
Debug.Write(my...
Can I find out the return value before returning while debugging in Visual Studio?
...ality has been added to VS2013.
You can see the return values in the autos windows or use $ReturnValue in the watch/immediate window.
The value can only be seen directly after returning from the function, thus the easiest way to access it is by putting a breakpoint on the function call and step ove...
How to solve WAMP and Skype conflict on Windows 7? [closed]
I have Windows 7 (32-bit) installed on laptop.
8 Answers
8
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