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What does `:_*` (colon underscore star) do in Scala?
...s taken as single arg
f(x:_*) // 2 as x is "unpacked" as a Seq[Any]*
So now we know what :_* do is to tell compiler : please unpack this argument and bind those elements to the vararg parameter in function call rather than take the x as a single argument .
So in a nutshell, the :_* is to remove ...
File inside jar is not visible for spring
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I know this question has already been answered. However, for those using spring boot, this link helped me - https://smarterco.de/java-load-file-classpath-spring-boot/
However, the resourceLoader.getResource("classpath:file.txt")...
Why does running the Flask dev server run itself twice?
...######### Restarting @ {} ###################'.format(
datetime.utcnow())
However, if you need to set up module globals, then you should instead use the @app.before_first_request decorator on a function and have that function set up such globals. It'll be called just once after every reloa...
Can we make unsigned byte in Java
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byte b = (byte)unsignedToBytes((byte) -12); now try printing b
– Jigar Joshi
Nov 24 '10 at 13:07
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Can't append element
....com/shareprice/shareprice.js', function() {
Display.sharePrice();
});
Now the external script will be called, and if it cannot be loaded it will gracefully degrade.
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How to get string width on Android?
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Most likely you want to know the painted dimensions for a given string of text with a given font (i.e. a particular Typeface such as the “sans-serif” font family with a BOLD_ITALIC style, and particular size in sp or px).
Rather than inflating a...
How to open emacs inside bash
...ted at /home/usr/ and at the bottom add the line:
alias enw='emacs -nw'
Now each time you open a terminal session you just type, for example, enw and you have with three letters the emacs no-window option :).
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Text size and different android screen sizes
I know, it was discussed already 1000 times, but I can't adjust the text size for different screen sizes. I try to use 'sp' as size units in my custom style:
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SQLite table constraint - unique on multiple columns
...ges based on the table definition type (see the second table where 'Alice' now has id = 4; the first table is doing more of what I expect it to do, keep the PRIMARY KEY the same). Be aware of this effect.
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Replace a string in a file with nodejs
I use the md5 grunt task to generate MD5 filenames. Now I want to rename the sources in the HTML file with the new filename in the callback of the task. I wonder what's the easiest way to do this.
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