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How expensive is RTTI?
I understand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
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Kill a Process by Looking up the Port being used by it from a .BAT
...Morgan-Graham as this is an accepted answer, please consider adding points from stackoverflow.com/a/20637662/5243762 this answer as well
– IAmSurajBobade
Oct 10 '19 at 6:58
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What is the most pythonic way to check if an object is a number?
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Use Number from the numbers module to test isinstance(n, Number) (available since 2.6).
>>> from numbers import Number
... from decimal import Decimal
... from fractions import Fraction
... for n in [2, 2.0, Decimal('2.0'), co...
What should my Objective-C singleton look like? [closed]
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Another option is to use the +(void)initialize method. From the documentation:
The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the program. (Thus the meth...
How do I delete unpushed git commits?
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From my experience, this does not undo the commit from the original branch, thus necessitating the git reset --hard HEAD~1 afterwards. I think using reset --soft then switching branches and committing again would have saved ...
Angular.js programmatically setting a form field to dirty
...lasses.
Just to be honest, I found this solution in new post in the topic from the link from your question. It worked perfectly for me, so I am putting this here as a standalone answer to make it easier to be found.
EDIT:
Above solution works best for Angular version up to 1.3.3. Starting with 1....
Mechanisms for tracking DB schema changes [closed]
...version number of the database. The N.sql files are crafted by hand, to go from version (N-1) to version N of the database.
They can be used to add tables, add columns, migrate data from an old to a new column format then drop the column, insert "master" data rows such as user types, etc. Basically...
What's the difference between $evalAsync and $timeout in AngularJS?
...xchanges with Misko.)
To summarize:
if code is queued using $evalAsync from a directive, it should run after the DOM has been manipulated by Angular, but before the browser renders
if code is queued using $evalAsync from a controller, it should run before the DOM has been manipulated by Angular ...
How to redirect output of an already running process [duplicate]
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See Redirecting Output from a Running Process.
Firstly I run the command cat > foo1 in one session and test that data from stdin is copied to the file. Then in another session I redirect the output.
Firstly find the PID of the process:
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Given the lat/long coordinates, how can we find out the city/country?
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Another option:
Download the cities database from http://download.geonames.org/export/dump/
Add each city as a lat/long -> City mapping to a spatial index such as an R-Tree (some DBs also have the functionality)
Use nearest-neighbour search to find the closest city f...