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What's the 'Ruby way' to iterate over two arrays at once
...ive you
[[1, 7], [2, 8], [3, 9], [4, 7], [5, 8], [6, 9]]
This saves you from the nil values that you'll get from just using zip
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How to get string width on Android?
...t = new Paint();
paint.setTextSize(20);
Typeface typeface = Typeface.createFromAsset(getAssets(), "Helvetica.ttf");
paint.setTypeface(typeface);
paint.setColor(Color.BLACK);
paint.setStyle(Paint.Style.FILL);
Rect result = new Rect();
paint.getTextBounds(str, 0, str.length(), result);
Log.i("Text di...
Multiline bash commands in makefile
...ig difference if you sometimes want to copy the script and run it directly from a shell prompt. You can wreak havoc on your shell instance by declaring variables, and especially modifying state with set, inside of {}. () prevents the script from modifying your environment, which is probably prefer...
Replace a value if null or undefined in JavaScript
...le on JavaScript, though browser support is limited. According to the data from caniuse, only 48.34% of browsers are supported (as of April 2020).
According to the documentation,
The nullish coalescing operator (??) is a logical operator that
returns its right-hand side operand when its left...
git push to specific branch
...ite my git push command. As mentioned in the question link, it's not clear from the documentation.
4 Answers
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How to avoid null checking in Java?
...n environment, although my testing has shown next to no performance impact from assertions.
Not using assertions in this case is OK because the code will just fail, which is what will happen if you use assertions. The only difference is that with assertions it might happen sooner, in a more-meanin...
Color in git-log
...13), you can use %C(auto) to decorate %d in the format string of git log.
From the release notes:
* "git log --format" specifier learned %C(auto) token that tells Git
to use color when interpolating %d (decoration), %h (short commit
object name), etc. for terminal output.)
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Bootstrap dropdown sub menu missing
... Yeah Thanks I have added it my theme's stylesheet, just copy pasted from old version of bootstrap wordpress.org/themes/bikaner
– DevC
Aug 31 '13 at 19:08
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Using do block vs braces {}
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I used the Weirich style for years, but just moved away from this to always use braces. I don't remember to ever have used the info from the block style, and the definition is kinda vague. For example:
date = Timecop.freeze(1.year.ago) { format_date(Time.now) }
customer = Timecop...
JNI converting jstring to char *
I have passed a URL string from Java to C code as jstring data type through the use of JNI. And my library method needs a char * as url.
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