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Check if a string matches a regex in Bash script
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You can use the test construct, [[ ]], along with the regular expression match operator, =~, to check if a string matches a regex pattern.
For your specific case, you can write:
[[ $date =~ ^[0-9]{8}$ ]] && echo "yes"
Or more a accu...
How to properly compare two Integers in Java?
...d a numeric type (int, long etc) the wrapper type value is unboxed and the test is applied to the primitive values involved.
This occurs as part of binary numeric promotion (JLS section 5.6.2). Look at each individual operator's documentation to see whether it's applied. For example, from the docs ...
How do I programmatically force an onchange event on an input?
...ey're extremely rare.
Rather, you would do this:
document.getElementById("test").onchange()
Look here for more options:
http://jehiah.cz/archive/firing-javascript-events-properly
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Call js-function using JQuery timer
...window.setInterval(yourfunction, 10000);
function yourfunction() { alert('test'); }
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Loop through a Map with JSTL [duplicate]
...List list = new ArrayList();
TreeMap itemList=new TreeMap();
itemList.put("test", "test");
list.add(itemList);
pageContext.setAttribute("itemList", list);
%>
<c:forEach items="${itemList}" var="itemrow">
<input type="text" value="<c:out value='${ite...
How to overwrite existing files in batch?
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xcopy /s/Y c:\mmyinbox\test.doc C:\myoutbox (Y is a CAPITAL.)
– Halfacht
Jan 16 '18 at 13:08
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CSS selector based on element text? [duplicate]
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Unbelievably, this works in Rails unit tests assert_select '.text-muted:contains("Total Raised")', 'Total Raised'. guides.rubyonrails.org/v5.0/testing.html#testing-views I did not expect it to because I thought the unit tests use Ruby CSS selectors, not JQuery.
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Creating Scheduled Tasks
...e trigger fires
td.Actions.Add(new ExecAction("notepad.exe", "c:\\test.log", null));
// Register the task in the root folder
ts.RootFolder.RegisterTaskDefinition(@"Test", td);
// Remove the task we just created
ts.RootFolder.DeleteTask("Test");
}
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Mock static methods from multiple class using PowerMock
... PowerMock.
But I want to mock static methods from multiple classes in a test class using JUnit and PowerMock.
4 Answers
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How to filter array in subdocument with MongoDB [duplicate]
...er individual elements and then use $group to put it back together:
db.test.aggregate([
{ $match: {_id: ObjectId("512e28984815cbfcb21646a7")}},
{ $unwind: '$list'},
{ $match: {'list.a': {$gt: 3}}},
{ $group: {_id: '$_id', list: {$push: '$list.a'}}}
])
outputs:
{
"result": [
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