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Does use of final keyword in Java improve the performance?
...to design, implement, and use than mutable classes. They are less prone to error and are more secure.. Furthermore An immutable object can be in exactly one state, the state in which it was created. vs Mutable objects, on the other hand, can have arbitrarily complex state spaces.. From my personal e...
How do I unload (reload) a Python module?
...or any object belonging to the module), then you'll get subtle and curious errors caused by the old code hanging around longer than you expected, and things like isinstance not working across different versions of the same code.
If you have one-way dependencies, you must also reload all modules that...
How to launch html using Chrome at “--allow-file-access-from-files” mode?
...ome executable and then, on your cmd, try :
> "C:\PathTo\Chrome.exe" --allow-file-access-from-files
Source
EDIT :
As I see on your question, don't forget that Windows is a little bit similar to Unix, so when you type "chrome ...", cmd will search for Chrome in the PATH, but in general the Chr...
Catching an exception while using a Python 'with' statement
... with open( "a.txt" ) as f :
print f.readlines()
except EnvironmentError: # parent of IOError, OSError *and* WindowsError where available
print 'oops'
If you want different handling for errors from the open call vs the working code you could do:
try:
f = open('foo.txt')
except IOE...
JavaScript for…in vs for
...sOwnProperty(member)" which checks if a member returned by iterator is actually member of the object. See: javascript.crockford.com/code.html
– Damir Zekić
Oct 29 '08 at 23:09
57
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AngularJS ui-router login authentication
...$http.get('/svc/account/identity',
// { ignoreErrors: true })
// .success(function(data) {
// _identity = data;
// _authenticated = true;
// deferred.resolve(_identity...
How to write a cron that will run a script every day at midnight?
...2
wd day of week 0-7 (Sunday = 0 or 7)
command: what you want to run
all numeric values can be replaced by * which means all
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Bash script - variable content as a command to run
...eries.txt | wc -l)
$(perl test.pl test2 $count)
However, if you want to call your Perl command later, and that's why you want to assign it to a variable, then:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
var="perl test.pl test2 $count" # You need double quotes to get your $count value subst...
What is the difference between static func and class func in Swift?
...atic func myFunc() instead of class func myFunc you will get the following error l: cannot override static method. Why? Because it's as if its been marked with final. For more information. See nextD's answer below. Also x.dynamicType has now been replaced with type(of:x)
– Hone...
python exception message capturing
This doesn't seem to work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file
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