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Should you ever use protected member variables?
... state.
If you don't want any leaking of internal state, then declaring all your member variables private is the way to go.
If you don't really care that subclasses can access internal state, then protected is good enough.
If a developer comes along and subclasses your class they may mess it u...
Parse JSON in TSQL
...have a huge masochistic streak and want to write a JSON parser in SQL
Normally, folk ask for JSON output from the DB and there are examples on the internet. But into a DB?
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How to get child element by class name?
...amesPoulose, it wouldn't. Consider having an element set to two classes: small and bigger. thatElement.className would return a String that equals "small bigger". If you're looking for a class called big saying myElement.className.indexOf("big") will produce something unequal to negative 1 despite t...
How to execute XPath one-liners from shell?
...uld try these tools :
xmlstarlet : can edit, select, transform... Not installed by default, xpath1
xmllint : often installed by default with libxml2-utils, xpath1 (check my wrapper to have --xpath switch on very old releases and newlines delimited output (v < 2.9.9)
xpath : installed via perl's ...
My docker container has no internet
I had it working allright but now it stopped. I tried the following commands with no avail:
22 Answers
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What Are Some Good .NET Profilers?
...te basic memory profiling.
dotTrace integrates with Resharper, which is really convenient, as you can profile the performance of a unit test with one click from the IDE. However, dotTrace often seems to give spurious results (e.g. saying that a method took several years to run)
I prefer the way th...
How to create .ipa file using Xcode?
...elow steps
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6 : Finally select the place you want to save the .ipa file
In Xcode Version 9.2
Go to Window -> Organizer
Then select your app archive from archives
Then click the "Upload to App Store" button on right panel
Then follow ...
Can you control how an SVG's stroke-width is drawn?
...inside|outside possible values). This property may make it into UAs eventually.
Edit 3: Amusingly and dissapointingly, the SVG working group has removed stroke-alignment from SVG 2. You can see some of the concerns described after the prose here.
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SQL Update with row_number()
...able and made the CTE look as if it was a recursive CTE, because it essentially referenced itself. A recursive CTE must have a specific structure which requires the use of the UNION ALL set operator.
Instead, you could just have given the CTE a different name as well as added the target column to i...
Using the “final” modifier whenever applicable in Java [closed]
...ce of declaring every variable (local or class), parameter final if they really are.
25 Answers
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