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Java ArrayList copy
... l1 of size 10. I assign l1 to new list reference type l2 . Will l1 and l2 point to same ArrayList object? Or is a copy of the ArrayList object assigned to l2 ?
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Intellij code formatting, Java annotations on new lines
I'm using IntelliJ 12 and
It's putting my member variable annotations on the same line, which i hate! How do I setup the code formatter to keep annotations on separate lines?
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Creating runnable JAR with Gradle
...the Eclipse "Export..." functionallity but now I switched to IntelliJ IDEA and Gradle for build automation.
9 Answers
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Git: Find the most recent common ancestor of two branches
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@funroll: Or the shorthand for that: git log master...HEAD
– CB Bailey
Sep 8 '14 at 20:32
17
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How to convert a string to lower case in Bash?
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The are various ways:
POSIX standard
tr
$ echo "$a" | tr '[:upper:]' '[:lower:]'
hi all
AWK
$ echo "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all...
Convert a date format in PHP
... in SQL); however I don't know how the date function requires a timestamp, and I can't get a timestamp from this string.
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Bootstrap: Position of dropdown menu relative to navbar item
...lasses that need to be applied changed with the release of Bootstrap 3.1.0 and again with the release of Bootstrap 4. If one of the below solutions doesn't seem to be working double check the version number of Bootstrap that you're importing and try a different one.
Bootstrap 3
Before v3.1.0
You ...
How to implement WiX installer upgrade?
...omatic upgrades. It prevents downgrades, giving a localised error message, and also prevents upgrading an already existing identical version (i.e. only lower versions are upgraded):
<MajorUpgrade
AllowDowngrades="no" DowngradeErrorMessage="!(loc.NewerVersionInstalled)"
AllowSameVersionUp...
Why use HttpClient for Synchronous Connection
...m building a class library to interact with an API. I need to call the API and process the XML response. I can see the benefits of using HttpClient for Asynchronous connectivity, but what I am doing is purely synchronous, so I cannot see any significant benefit over using HttpWebRequest .
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Catch paste input
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What if there is text in the textarea already and you paste, and you just wanted the pasted text?
– barfoon
Apr 8 '11 at 17:42
39
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