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Eclipse “Error: Could not find or load main class”
...standard libraries like the JRE System Library.
Try to run your main class now. The "class could not be found / load" error should be gone. Try adding your external libs/jars one after each other.
Reason behind this: The compiler had issues linking the libraries to the project. It failed and produ...
How to find an available port?
... on the free port (by which time there is a small chance something else is now listening on that port.)
– Graham Edgecombe
Sep 4 '12 at 12:49
7
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Check if a given key already exists in a dictionary
...
I fully agree. But if you only need to know if a key exists, or you need to distinguish between a case where the key is defined and a case where you are using a default, in is the best way of doing it.
– Chris B.
Oct 21 '09 at...
JavaScript variable assignments from tuples
...
It is now in fact part of ES6.
– Pier Paolo Ramon
Oct 18 '14 at 13:00
10
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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
...
I'm now using Oracle with Java. Here my point of view :
You should close ResultSet and Statement explicitly because Oracle has problems previously with keeping the cursors open even after closing the connection. If you don't clo...
Numpy argsort - what is it doing?
...ing a list of values as
listExample = [0 , 2, 2456, 2000, 5000, 0, 1]
Now we use argsort function:
import numpy as np
list(np.argsort(listExample))
The output will be
[0, 5, 6, 1, 3, 2, 4]
This is the list of indices of values in listExample if you map these indices to the respective valu...
Writing a git post-receive hook to deal with a specific branch
... fine.
Here is the exact post-update hook that I just successfully tested now on CentOS 6.3.
#!/bin/bash
echo "determining branch"
branch=`echo $1 | cut -d/ -f3`
if [ "master" == "$branch" ]; then
echo "master branch selected"
fi
if [ "staging" == "$branch" ]; then
echo "staging branch...
Build Android Studio app via command line
...proxy setting. It can be resolved by putting the proxy settigns (but right now I dont have that priviledge) but I just want to bypass the downloading thing..How can I do that?
– Raulp
Feb 19 '18 at 6:15
...
StringFormat Localization issues in wpf
...espace:
xmlns:gl="clr-namespace:System.Globalization;assembly=mscorlib"
Now behold this fantastic fix:
<TextBlock Text="{Binding Path=Model.SelectedNoteBook.OriginalDate, StringFormat='f', ConverterCulture={x:Static gl:CultureInfo.CurrentCulture}" FontSize="20"TextTrimming="CharacterEllipsis"...
Seeing the console's output in Visual Studio 2010?
...
interesting didn't know that, and yes my app is a windows form app, but no i tried using debug.Write method same problem, it compiles and all is peachy but am unable to see the output anywhere
– r3x
Mar 14 ...