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Co-variant array conversion from x to y may cause run-time exception
...and I am not very happy about it, but there’s nothing we can do about it now.
– franssu
Oct 23 '14 at 8:21
...
If using maven, usually you put log4j.properties under java or resources?
...s>
</execution>
</executions>
</plugin>
Now the log4j.properties file will be right next to your JAR file, independently configurable.
To run your application directly from Eclipse, add the resources directory to your classpath in your run configuration: Run->R...
How does IPython's magic %paste work?
...d any magic command, just paste it
Thanks to prompt_toolkit, IPython now supports:
Syntax highlighting as you type
Real multi-line editing (up and down arrow keys move between lines)
Multi-line paste without breaking indentation or immediately executing code
Better code completio...
Is there a vr (vertical rule) in html?
I know there is a hr (horizontal rule) in html, but I don't believe there is a vr (vertical rule). Am I wrong and if not, why isn't there a vertical rule?
...
Delete element in a slice
...u want (for example, fmt.Println can take as many arguments as you want).
Now, when calling a function, ... does the opposite: it unpacks a slice and passes them as separate arguments to a variadic function.
So what this line does:
a = append(a[:0], a[1:]...)
is essentially:
a = append(a[:0], ...
SQL Server: Query fast, but slow from procedure
...
This can now be achieved using the query hint - OPTION (OPTIMIZE FOR (@varA UNKNOWN, @varB UNKNOWN)
– Dave
Feb 20 '17 at 21:08
...
Proper way to wait for one function to finish before continuing?
...ne!');
});
}
As per @Janaka Pushpakumara's suggestion, you can now use arrow functions to achieve the same thing. For example:
firstFunction(() => console.log('huzzah, I\'m done!'))
Update: I answered this quite some time ago, and really want to update it. While callbacks are abso...
Ways to synchronize interface and implementation comments in C# [closed]
...a key to GhostDoc.AddIn.RebuildDocumentation (I used Ctrl-Shift-Alt-D).
Now, if you change the XML comment on the interface, just press this shortcut key on the implemented method, and the documentation will be updated. Unfortunately, this doesn't work vice-versa.
...
CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
...le tr:last-child td:last-child {
border-bottom-right-radius: 10px;
}
Now everything rounds properly, except that there's still the issue of border-collapse: collapse breaking everything.
A workaround is to add border-spacing: 0 and leave the default border-collapse: separate on the table.
...
How to delete an item in a list if it exists?
... in iterable if item] if the first argument is None); in Python 3.x, it is now equivalent to (item for item in iterable if function(item)). The subtle difference is that filter used to return a list, now it works like a generator expression - this is OK if you are only iterating over the cleaned lis...