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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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Using Intent in an Android application to show another activity
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@LouisRhys all activities need to be declared in the manifest file. See Description section here: developer.android.com/guide/topics/manifest/…
– ataulm
Dec 22 '12 at 17:01
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How to remove element from an array in JavaScript?
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For a more flexible solution, use the splice() function. It allows you to remove any item in an Array based on Index Value:
var indexToRemove = 0;
var numberToRemove = 1;
arr.splice(indexToRemove, numberToRemove);
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PHP Fatal error: Call to undefined function json_decode()
Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs
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Any way to clear python's IDLE window?
...you could put this in a function:
def cls(): print ("\n" * 100)
And then call it when needed as cls()
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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
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its mathematically solid, why should one unreal number equal another? 5/0 != sqrt(-4)
– Gordon Gustafson
Sep 9 '09 at 1:11
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How to append output to the end of a text file
...n add set -o noclobber to your .bashrc.
This ensures that if you accidentally type command > file_to_append_to to an existing file, it will alert you that the file exists already. Sample error message: file exists: testFile.txt
Thus, when you use > it will only allow you to create a new fil...
Disallow Twitter Bootstrap modal window from closing
...t behavior is if you click outside the modal area, the modal will automatically close. I would like to disable that -- i.e. not close the modal window when clicking outside the modal.
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How to check if a string array contains one string in JavaScript? [duplicate]
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There is an indexOf method that all arrays have (except Internet Explorer 8 and below) that will return the index of an element in the array, or -1 if it's not in the array:
if (yourArray.indexOf("someString") > -1) {
//In the array!
} else {
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Python “SyntaxError: Non-ASCII character '\xe2' in file”
...ing in the "UTF-8 Bytes" column which starts with %E2 is a candidate. Generally the issue is editing code with "smart" features turned on like "smart quotes" replacing " with “ (U+201C) and ” (U+201D) or turning -- into — (U+2014 em dash). All of those start with "\xe2\x80" in UTF-8.
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