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How can I declare and use Boolean variables in a shell script?
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@pms The operators "-o" and "-a" are only for the "test" command (aka "[]"). Instead, this is "if + command", without the "test". (Like "if grep foo file; then ...".) So, use the normal && and || operators: # t1=true; t2=true; f1=false; # if $t1 || $f1; then echo is_t...
Regex for string contains?
...s the regex for simply checking if a string contains a certain word (e.g. 'Test')? I've done some googling but can't get a straight example of such a regex. This is for a build script but has no bearing to any particular programming language.
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Is there a short contains function for lists?
...le list comprehension.
list_does_contain = next((True for item in list_to_test if item == test_item), False)
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Check if user is using IE
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/Edge\/|Trident\/|MSIE /.test(window.navigator.userAgent) I know this works on 10 and 11. If you can verify <IE9 and Edge, edit answer.
– Indolering
May 5 '15 at 23:59
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“NODE_ENV” is not recognized as an internal or external command, operable command or batch file
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People who couldn't make it work, "test-unit": "SET NODE_ENV=test & mocha --require co-mocha 'test.js'" wrong "test-unit": "SET NODE_ENV=test & mocha --require co-mocha test.js" true. You need to remove the ' ' around the js file.
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Difference between single and double square brackets in Bash
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Single [] are posix shell compliant condition tests.
Double [[]] are an extension to the standard [] and are supported by bash and other shells (e.g. zsh, ksh). They support extra operations (as well as the standard posix operations). For example: || instead of -o and r...
How can I pretty-print JSON in a shell script?
...me issue, try this value: 1e1000. Note that python -mjson.tool fails this test badly in that it produces Infinity, which is not even JSON.
– peak
Sep 4 '15 at 2:38
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How do I select text nodes with jQuery?
...ype == 3) {
if (includeWhitespaceNodes || nonWhitespaceMatcher.test(node.nodeValue)) {
textNodes.push(node);
}
} else {
for (var i = 0, len = node.childNodes.length; i < len; ++i) {
getTextNodes(node.childNodes[i]);
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When should I use RequestFactory vs GWT-RPC?
...ing other disadvantages of GWT in general:
Impossible to run integration tests (GWT client code + remote server) with provided JUnit support <= all JSNI has to be mocked (e.g. localStorage), SOP is an issue.
No support for testing setup - headless browser + remote server <= no simple headl...
How to remove elements from a generic list while iterating over it?
...e(i));
Alternately, you can use the RemoveAll method with a predicate to test against:
safePendingList.RemoveAll(item => item.Value == someValue);
Here's a simplified example to demonstrate:
var list = new List<int>(Enumerable.Range(1, 10));
Console.WriteLine("Before:");
list.ForEach(...