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How to get line count of a large file cheaply in Python?
..., and even better is doing this within a try-except block, where the and IOError exception is thrown if the file cannot be opened.
– BoltzmannBrain
May 20 '15 at 22:58
...
How do I speed up the gwt compiler?
... I used that option, and in our project sometimes it failed with a strange error. So be aware, that sometimes the compilation might not work because of this.
– Vic
Aug 12 '12 at 10:38
...
Make a program run slowly
...aphics, file and/or network I/O? Do you know something about the class of error you are looking for? Is it a race condition, or does the code just perform poorly at a customer site?
Edit: You can also use signals like STOP and CONT to start and stop your program. A debugger can also do this. T...
Force add despite the .gitignore file
...o" >> .gitignore; echo "bar" > foo; git add foo # should throw an error; git add -p foo # works (cannot paste newlines in comment, execute the commands 1 by 1
– Daniel Böhmer
Nov 5 '11 at 10:26
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How to test Spring Data repositories?
...
I apologize. I will whip me because of this error. Please try once again!
– JRichardsz
Feb 13 '19 at 14:39
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Foreign Key naming scheme
...cause when you have a huge db with a lot of keys and tables and you get an error during a schema update in your software it's pretty hard to find where the foreign key is even defined without doing a search of a database create script.
– JohnC
Apr 11 '12 at 0:0...
psycopg2: insert multiple rows with one query
...
in case someone encounters the following error: [TypeError: sequence item 0: expected str instance, bytes found] run this command instead [args_str = ','.join(cur.mogrify("(%s,%s)", x).decode("utf-8") for x in tup)]
– mrt
Sep 3...
How do I configure different environments in Angular.js?
...pts)
.pipe(concat('app.js'))
.pipe(gulp.dest('app/dist'))
.on('error', function() { });
});
In my config folder I have these files:
ls -l config
total 8
-rw-r--r--+ 1 .. ci.json
-rw-r--r--+ 1 .. development.json
-rw-r--r--+ 1 .. production.json
Then you can run gulp config --env dev...
JavaScript private methods
... // Returns '>>bar'
myObject.privateFun('>>'); // ReferenceError: private is not defined
The call function allows us to call the private function with the appropriate context (this).
Simpler with Node.js
If you are using node.js, you don't need the IIFE because you can take adv...
Regex Email validation
...ons, matchTimeout);
}
}
catch
{
// Fallback on error
}
// Legacy fallback (without explicit match timeout)
return new Regex(pattern, options);
}
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