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Key existence check in HashMap
...ontainsKey() than check for null. We should worry more about being easy to read, which saves developers time, than about some minor optimization, in most cases. At least not optimize before it becomes necessary.
– Max
Apr 24 '17 at 17:56
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How can I write a regex which matches non greedy? [duplicate]
...r example,
<img\s.*?>
works fine!
Check the results here.
Also, read about how dot behaves in various regex flavours.
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Select data from date range between two dates
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I know this post is old but for those reading: This is not between dates but is Inclusive of the dates. From and To.
– Ken
Dec 19 '16 at 17:23
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Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?
...ById('checkbox');
if (checked != elm.checked) {
elm.click();
}
}
Read more about the click method here:
https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/click
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What is the use of GO in SQL Server Management Studio & Transact SQL?
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After reading the answer of @tvanfosson: Is it really interchangable with semicolon?
– WoIIe
Aug 23 '19 at 8:20
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How do I make a branch point at a specific commit? [duplicate]
...t>
I go with Mark Longair's solution and comments and recommend anyone reads those before acting, but I'd suggest the emphasis should be on
git branch -f <branchname> <commit>
Here is a scenario where I have needed to do this.
Scenario
Develop on the wrong branch and hence need...
Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
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setting the tomcat directory to read-only will cause this exception
– svarog
Nov 18 '17 at 20:25
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Git error on commit after merge - fatal: cannot do a partial commit during a merge
... The -i flag is used mostly for when you are concluding a merge. You could read more about the commit flags here.
– MikaelHalen
Jan 7 '14 at 8:04
4
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What is the default access modifier in Java? [duplicate]
... as with top-level classes, and with the same meaning.
Full story you can read here (Which I wrote recently):
http://codeinventions.blogspot.com/2014/09/default-access-modifier-in-java-or-no.html
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How to delete all Annotations on a MKMapView
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You do not need to save any reference to user location. Read my answer below for more info.
– Aviel Gross
Apr 15 '14 at 19:55
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