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Test if a variable is set in bash when using “set -o nounset”
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You need to quote the variables if you want to get the result you expect:
check() {
if [ -...
Illegal string offset Warning PHP
I get a strange PHP error after updating my php version to 5.4.0-3.
16 Answers
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What is the dependency inversion principle and why is it important?
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edited Jan 3 '17 at 21:17
Nick Weaver
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What's onCreate(Bundle savedInstanceState)
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naXa
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answered May 30 '12 at 5:27
Dhruv Gairol...
Inserting HTML elements with JavaScript
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edited May 2 '09 at 11:13
answered May 2 '09 at 11:03
Jam...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
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1371
Instead of getApplicationContext(), just use ActivityName.this.
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Why can I change value of a constant in javascript
...o = 'bar';
foo = 'bar2'; // error - can not re-assign
var foo = 'bar3'; // error - already declared
function foo() {}; // error - already declared
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How can I convert spaces to tabs in Vim or Linux?
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318
Using Vim to expand all leading spaces (wider than 'tabstop'), you were right to use retab but...
How do you create a transparent demo screen for an Android app?
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answered Aug 30 '12 at 7:54
Benito BertoliBenito Bertoli
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