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Design by contract using assertions or exceptions? [closed]
...in a release build. But you don't want the release build crashing whenever errors occur either, do you?
So use exceptions and use them well. Use a good, solid exception hierarchy and ensure that you catch and you can put a hook on exception throwing in your debugger to catch it, and in release mode...
Proxy with express.js
...inish client request as well
ores.end();
});
})
.on('error', e => {
// we got an error
console.log(e.message);
try {
// attempt to set error message and http status
ores.writeHead(500);
ores.write(e.message);
} catch (e) {
...
How to get “wc -l” to print just the number of lines without file name?
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I get syntax errors with this (Ubuntu 14.04). I think there is a problem with the filename.
– MERose
Jul 7 '15 at 23:34
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move_uploaded_file gives “failed to open stream: Permission denied” error
I keep getting this error when trying to configure the upload directory with Apache 2.2 and PHP 5.3 on CentOS.
13 Answers
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Can't install PIL after Mac OS X 10.9
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the suggested command brings up an error dialog from Apple. First it asks whether I want to Get XCode (which I have) or "Install". I choose install. It pops up a EULA, I accept, then an error dialog comes up: "Can't install the software because it is not curr...
WCF Error - Could not find default endpoint element that references contract 'UserService.UserServic
...ame problem whilst using WPF (rather than WCF or Silverlight):
I had this error, when connecting to a Web Service. When my code was in the "main" WPF Application solution, no problem, it worked perfectly. But when I moved the code to the more sensible DAL-layer solution, it would throw the except...
git returns http error 407 from proxy after CONNECT
... getting "SSL certificate problem: unable to get local issuer certificate" error)
in my case, no need of defining all_proxy variable
and finally
git clone https://github.com/someUser/someRepo.git
share
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Equation (expression) parser with precedence?
...about 100 lines for the parser, 15 lines for a wrapper function) including error reporting, and comments.
You can find a live demo at http://users.telenet.be/bartl/expressionParser/expressionParser.html.
// operator table
var ops = {
'+' : {op: '+', precedence: 10, assoc: 'L', exec: function(l...
Why is “except: pass” a bad programming practice?
...ass is discouraged. Why is this bad? Sometimes I just don't care what the errors are and I want to just continue with the code.
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file_put_contents(meta/services.json): failed to open stream: Permission denied
... This should be sudo chmod -R 777 app/storage. to avoid permission error.
– Olaitan Mayowa
Oct 8 '14 at 10:10
5
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