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Does setting Java objects to null do anything anymore?
... explicitly set references A->B or B->C to null, for example.
Apart from that, most of the time the issue doesn't really arise, because in reality you're dealing with objects in collections. You should generally always be thinking of removing objects from lists, maps etc by calling the approp...
How do I set a variable to the output of a command in Bash?
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Some Bash tricks I use to set variables from commands
Sorry, there is a loong answer, but there is more than one solution, shorter or quicker, more or less system friendly...
3rd Edit: 2020-09-05: About {fdname}<> syntax under bash See at top of bash features...
How can I make git ignore future revisions to a file?
... @AdamDymitruk: Yes, clean/smudge can be used in this case, but it's far from clear that that is the best option. For example, this will make it rather hard if people really want to change the file, as the clean/smudge will get in the way. I would actually prefere the approach described here.
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MongoDB relationships: embed or reference?
I'm new to MongoDB--coming from a relational database background. I want to design a question structure with some comments, but I don't know which relationship to use for comments: embed or reference ?
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How to copy text to clipboard/pasteboard with Swift
...// write to clipboard
UIPasteboard.general.string = "Hello world"
// read from clipboard
let content = UIPasteboard.general.string
(When reading from the clipboard, the UIPasteboard documentation also suggests you might want to first check hasStrings, "to avoid causing the system to needlessly at...
Good tool to visualise database schema? [closed]
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I just got what I needed from sqlfairy. Simple and quick.
– fivedogit
May 21 '15 at 20:37
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Git diff output to file preserve coloring
.... ;-) I tried it and it works; the coloring is preserved if I cat the file from the command-line. (How else would you expect the colors to be preserved?)
– mpontillo
Mar 14 '12 at 17:20
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SonarQube Exclude a directory
I am trying to exclude a directory from being analyzed by Sonar. I have the following properties defined in my sonar-project.properties file:
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Using parameters in batch files at Windows command line
...Note the tilde character which causes any surrounding quotes to be removed from the value of %1; without a tilde you will get unexpected results if that value includes double quotes, including the possibility of syntax errors.
Handling more than 9 arguments (or just making life easier)
If you need...
Android Get Current timestamp?
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From developers blog:
System.currentTimeMillis() is the standard "wall" clock (time and date) expressing milliseconds since the epoch. The wall clock can be set by the user or the phone network (see setCurrentTimeMillis(long...