Displaying the Indian currency symbol on a website
The HTML entity for the Indian rupee sign is ₹ (₹). Use it like you would © for the copyright sign. For more, read Wikipedia’s article on the rupee sign.
The HTML entity for the Indian rupee sign is ₹ (₹). Use it like you would © for the copyright sign. For more, read Wikipedia’s article on the rupee sign.
This snippet works in the specific situation where you have a boolean: it answers “how many non-Ns are there?”. SELECT LEN(REPLACE(col, ‘N’, ”)) If, in a different situation, you were actually trying to count the occurrences of a certain character (for example ‘Y’) in any given string, use this: SELECT LEN(col) – LEN(REPLACE(col, ‘Y’, ”))
+ can actually have two meanings, depending on context. Like the other answers mentioned, + usually is a repetition operator, and causes the preceding token to repeat one or more times. a+ would be expressed as aa* in formal language theory, and could also be expressed as a{1,} (match a minimum of 1 times and … Read more
To add to Mark’s answer: The short_tags option must be enabled for the <?= syntax to be valid. This presents a major portability problem when moving to a server that has this option disabled. See the PHP Manual for more info on short tags
Hiding internal names requires a few simple Xcode build settings, and it is not generally necessary to modify source or change the type of the built product. Eliminate any internal symbols required between modules by performing a single-object prelink. Set the Xcode build setting named “Perform Single-Object Prelink” to Yes (GENERATE_MASTER_OBJECT_FILE=YES). This causes ld to … Read more
The @ operator creates a function handle, something that allows you to easily create and pass around a function call like a variable. It has many nice features, none of which are available to you unfortunately. This is because as you suspect, it was not introduced into matlab until version 7, the release immediately after … Read more
TL;DR A simple rule of thumb is to use symbols every time you need internal identifiers. For Ruby < 2.2 only use symbols when they aren’t generated dynamically, to avoid memory leaks. Full answer The only reason not to use them for identifiers that are generated dynamically is because of memory concerns. This question is … Read more
Why don’t you just save/serve the CSS file as UTF-8? nav a:hover:after { content: “↓”; } If that’s not good enough, and you want to keep it all-ASCII: nav a:hover:after { content: “\2193”; } The general format for a Unicode character inside a string is \000000 to \FFFFFF – a backslash followed by six hexadecimal … Read more
@ has been around since the days of @import in CSS1, although it’s arguably becoming increasingly common in the recent @media (CSS2, CSS3) and @font-face (CSS3) constructs. The @ syntax itself, though, as I mentioned, is not new. These are all known in CSS as at-rules. They’re special instructions for the browser, not directly related … Read more
Unicode arrows heads: ▲ – U+25B2 BLACK UP-POINTING TRIANGLE ▼ – U+25BC BLACK DOWN-POINTING TRIANGLE ▴ – U+25B4 SMALL BLACK UP-POINTING TRIANGLE ▾ – U+25BE SMALL BLACK DOWN-POINTING TRIANGLE For ▲ and ▼ use ▲ and ▼ respectively if you cannot include Unicode characters directly (use UTF-8!). Note that the font support for the smaller … Read more