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What's Alternative to Singleton
...dependency injection to avoid singletons
Singletons are Pathological Liars
Root Cause of Singletons
Where have all the Singletons Gone?
The last article explains in detail how to move the creation of new objects into a factory, so you can avoid using singletons. Worth reading for sure.
In shor...
How do I change the default port (9000) that Play uses when I execute the “run” command?
...ces like me, add the .settings line to your build.sbt file, after lazy val root = (project in file(".")). For more details on SBT settings, see here: scala-sbt.org/1.0/docs/Custom-Settings.html )
– Cameron Hudson
Mar 27 '19 at 20:22
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Why do you need explicitly have the “self” argument in a Python method?
...
This also at the root of guido's much linked explanation.
– Marcin
Jul 18 '13 at 20:25
1
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How to list branches that contain a given commit?
...ubmodule.branch. This could be a long standing fork/pr. You can cd to repo root and run git config submodule.src/foo/submodule.branch. You can also use the superprojects current git branch.
– Devin G Rhode
Dec 1 '19 at 3:46
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Load resources from relative path using local html in uiwebview
...ath = Bundle.main.path(forResource: "dados", ofType: "html", inDirectory: "root") {
webView.load( URLRequest(url: URL(fileURLWithPath: path)) )
}
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Docker and securing passwords
...mands. (Of course, any user that has access to docker on the host also has root anyway.)
My preferred pattern is to use a wrapper script as the ENTRYPOINT or CMD. The wrapper script can first import secrets from an outside location in to the container at run time, then execute the application, prov...
How to import existing Git repository into another?
...t pull -s subtree XXX_remote master
Git figures out on its own where the roots are before doing the merge, so you don't need to specify the prefix on subsequent merges.
The downside is that in the merged history the files are unprefixed (not in a subdirectory). As a result git log ZZZ/a will show...
XML Serialization - Disable rendering root element of array
Can I somehow disable rendering of root element of collection?
3 Answers
3
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What are copy elision and return value optimization?
...w";//RVO
return 0;
}
**Output without -fno-elide-constructors**
root@ajay-PC:/home/ajay/c++# ./a.out
Constructor
Constructor
Constructor
Constructor
Destructor
Destructor
Destructor
Destructor
**Output with -fno-elide-constructors**
root@ajay-PC:/home/ajay/c++# g++...
Comments in Android Layout xml
...XML attribute.
In summary:
Add a xmls:my_new_namespace attribute to the root (top-level) XML element in the XML layout file. Set its value to a unique string
Under any child XML element within the file, use the new namespace, and any word following to define comment tags that are ignored when com...