Treatment of superficial vein reflux (see Varicose Veins, above) has been shown to decrease the recurrence rate of venous ulcers. Where there is substantial obstruction of the femoral or popliteal deep venous system, superficial varicosities supply the venous return and should not be removed.

Unfortunately, regex syntax is not really standardized... there are many variants, which differ among other things in which "special characters" need \ and which do not. In some it's even configurable or depends on switches (as in GNU grep, which you can switch between three different regex dialects).

He pointed out that these questions penalize the more imaginative and favor those who are content to collect facts. Therefore, multiple-choice test statistics, in all their uses, are misleading.

Hashie does not have built-in support for coercing boolean values, since Ruby does not have a built-in boolean type or standard method for coercing to a boolean. You can coerce to booleans using a custom proc.

No, there is no “glyph not found” character. Different programs use different graphic presentations. An empty narrow rectangle is a common rendering, but not the only one. It could also be a rectangle with a question mark in it or with the code number of the character, in hexadecimal, in it.

There is no standardized look/glyph, it’s up to the implementation

>Linux needs an app delivery format Yeah, it's incredible that it has managed to survive for so long without one.

It's Snap that drove me to Arch, so it did me a huge favour. Seeing things like GNOME as a snap and other 'core' products wasn't something I was comfortable with. Personally, I prefer flatpaks as a packaging format when compared to snap and appimage. I agree that Linux needs an app delivery format, but snap's current implementation isn't it.

his, too, is false. Indeed, the data from released national tests show conclusively that the students have the most difficulty with those items that require understanding and transfer, not recall or recognition.

This perceived incompatibility is based on a flawed assumption that the only way to raise test scores is to cover those things that are tested and practice the test format.

Furthermore, the format of the test causes many educators to erroneously believe that the state test or provincial exam only assesses low-level knowledge and skill. This, too, is false. Indeed, the data from released national tests show conclusively that the students have the most difficulty with those items that require understanding and transfer, not recall or recognition.