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Why is extending native objects a bad practice?
... get a perfomance hit? Do they fear that somebody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object?
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load scripts asynchronously
I am using several plugins, custom widgets and some other libraries from JQuery. as a result I have several .js and .css files. I need to create a loader for my site because it takes some time to load. it will be nice if I can display the loader before importing all the:
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How to disable / enable dialog negative positive buttons?
...e look at the custom dialog below. I have an edittext field on the dialog and if the text field is empty I would like to disable the positiveButton . I can get a charListener for the text field but I am not sure how I am going to set the positivebutton to disable or enable from that listener? Wh...
split string only on first instance - java
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The limit parameter controls the number of times the pattern is applied and therefore affects the length of the resulting array. If the limit n is greater than zero then the pattern will be applied at most n - 1 times, the array's length will be no greater than n, and the array's last entry will...
What is meant by Resource Acquisition is Initialization (RAII)?
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It's a really terrible name for an incredibly powerful concept, and perhaps one of the number 1 things that C++ developers miss when they switch to other languages. There has been a bit of a movement to try to rename this concept as Scope-Bound Resource Management, though it doesn't seem...
What is the difference between JavaConverters and JavaConversions in Scala?
...n scala.collection , there are two very similar objects JavaConversions and JavaConverters .
4 Answers
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Where does PostgreSQL store the database?
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show data_directory; command points to exact location of data. Searching specific folder is painful as someone else might have installed it for you and now you do not know the configuration, so following sql helps to save the time. :) Thanks Mike.
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Could not load NIB in bundle
...s custom module with Appcelerator Titanium. I have created a sample module and dragged the JREngage folder to the sample module xcodeproj as indicated in the Jainrain's documentation.
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Installing SciPy and NumPy using pip
...ired libraries in a package I'm distributing. It requires both the SciPy and NumPy libraries.
While developing, I installed both using
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How can I generate Unix timestamps?
...tOS host (SunOS 5.11 joyent_20171026T003127Z), I've both /usr/bin/date +%s and /usr/xpg4/bin/date +%s` working. Combined with the POSIX.2 recommendation, I think this works on all Solaris too.
– Dereckson
Nov 5 '17 at 17:21
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