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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
I have this exception and I don't understand why it would be thrown or, how I should handle it.
3 Answers
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JavaScript equivalent of PHP’s die
Is there something like "die" in JavaScript? I've tried with "break", but doesn't work :)
14 Answers
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How to work with Git branches and Rails migrations
I am working on a rails app with quite a few git branches and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch.
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Window.open and pass parameters by post method
With window.open method I open new site with parameters, which I have to pass by post method.I've found solution, but unfortunately it doesn't work. This is my code:
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How can I unstage my files again after making a local commit?
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git reset --soft HEAD~1 should do what you want. After this, you'll have the first changes in the index (visible with git diff --cached), and your newest changes not staged. git status will then look like this:
# On branch ma...
Aliases in Windows command prompt
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To add to josh's answer,
you may make the alias(es) persistent with the following steps,
Create a .bat or .cmd file with your DOSKEY commands.
Run regedit and go to HKEY_CURRENT_USER\Software\Microsoft\Command Processor
Add String Value entry with the name AutoRun and the full path of y...
How to force Chrome's script debugger to reload javascript?
I really like the ability to edit javascript in the chrome debugger however, I find that it can be really problematic getting the debugger to re-fetch the JavaScript from the server.
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Change font color for comments in vim
...fault font color for comments which is dark blue to slightly yellow color. It is difficult to read on the black background.
Could you advise me how to change only this one color? I'm satisfied with the other colors.
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How do you delete a column by name in data.table?
...l remove column foo from the data.table df3:
# Method 1 (and preferred as it takes 0.00s even on a 20GB data.table)
df3[,foo:=NULL]
df3[, c("foo","bar"):=NULL] # remove two columns
myVar = "foo"
df3[, (myVar):=NULL] # lookup myVar contents
# Method 2a -- A safe idiom for excluding (possibly m...
How to initialize an array's length in JavaScript?
...in JavaScript (including w3schools and devguru ) suggest that you can initialize an array with a certain length by passing an integer to the Array constructor using the var test = new Array(4); syntax.
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