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Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...(1.7.0) does not compile "Object[] arr = new int[1];" but rather gives the error message: "java: incompatible types required: java.lang.Object[] found: int[]". I think you meant "Object[] arr = new Integer[1];".
– Emre Sevinç
Jan 2 '13 at 13:46
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How to terminate script execution when debugging in Google Chrome?
...wing:
delete somethingElse;
Then play the script: it will cause a fatal error when it tries to access somethingElse, and the script will die. Voila, you've terminated the script.
EDIT: Originally, I deleted a variable. That's not good enough. You have to delete a function or an object of which J...
How to retrieve a file from a server via SFTP?
...ther yummy SSH2 features.
Here's a simple remote file retrieve over SFTP. Error handling is left as an exercise for the reader :-)
JSch jsch = new JSch();
String knownHostsFilename = "/home/username/.ssh/known_hosts";
jsch.setKnownHosts( knownHostsFilename );
Session session = jsch.getSession( "...
Determine installed PowerShell version
... shown launches Powershell using Command Prompt. Wouldn't the command just error out with "powershell not found" if it's not installed?
– jpmc26
Dec 12 '13 at 4:26
9
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Java: Clear the console
... Windows 8.1: java.io.IOException: Cannot run program "cls": CreateProcess error=2, The system cannot find the file specified
– Ben Leggiero
Oct 21 '14 at 20:30
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How do I run two commands in one line in Windows CMD?
...mmand only if the first command did not complete successfully (receives an error code greater than zero).
( ) [...]
(command1 & command2)
Use to group or nest multiple commands.
; or ,
command1 parameter1;parameter2
Use to separate command parameters.
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Creating and throwing new exception
...ow a general exception use the throw command followed by a string.
throw "Error trying to do a task"
When used inside a catch, you can provide additional information about what triggered the error
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Seeing escape characters when pressing the arrow keys in python shell
...g fixed.
While I try to import readline in problem python shell, get this error message:
ImportError: dlopen(/Users/raptor/.virtualenvs/bottle/lib/python2.7/lib-dynload/readline.so, 2): Library not loaded: /usr/local/opt/readline/lib/libreadline.6.dylib
Referenced from: /Users/raptor/.virtualenvs/...
Get url parameters from a string in .NET
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When the URI is instantiated I get the error "Invalid URI: The format of the URI could not be determined." I don't think this solution works as intended.
– Paul Matthews
Nov 11 '13 at 23:17
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What is the difference between YAML and JSON?
... therefore complies with the JSON spec, choosing to treat duplicates as an error. In practice, since JSON is silent on the semantics of such duplicates, the only portable JSON files are those with unique keys, which are therefore valid YAML files." - yaml.org/spec/1.2/spec.html#id2759572
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