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How to check for an active Internet connection on iOS or macOS?
...ow (2018) a bad choice. It now redirects to Apple.com which is a > 40kB html file. Back to google.com - it is only 11kB. BTW google.com/m is same size but is reported to be slower by 120 msec.
– BlueskyMed
Dec 9 '18 at 17:31
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Is errno thread-safe?
...s that errno be threadsafe.
See http://www.unix.org/whitepapers/reentrant.html
In POSIX.1, errno is defined as an
external global variable. But this
definition is unacceptable in a
multithreaded environment, because its
use can result in nondeterministic
results. The problem is that t...
What is a provisioning profile used for when developing iPhone applications?
...rofile-for-iPhone
Another link:
http://iphone.timefold.com/provisioning.html
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Why no generics in Go?
...w.jetbrains.com/help/go/how-to-use-type-parameters-for-generic-programming.html.
package main
import "fmt"
func PrintSlice(type T)(s []T) {
for _, v := range s {
fmt.Print(v)
}
}
func main() {
PrintSlice([]int{1, 2, 3, 4, 5, 6, 7, 8, 9})
PrintSlice([]string{"a", "b", "c",...
Including JavaScript class definition from another file in Node.js
...');
var User = userFile.User;
http://nodejs.org/docs/v0.4.10/api/globals.html#require
Another way is:
global.User = User;
then this would be enough in server.js:
require('./user.js');
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Postgres unique constraint vs index
... concurrently a unique index. postgresql.org/docs/9.3/static/sql-dropindex.html "There are several caveats to be aware of when using this option. Only one index name can be specified, and the CASCADE option is not supported. (Thus, an index that supports a UNIQUE or PRIMARY KEY constraint cannot be ...
Remove border radius from Select tag in bootstrap 3
...r from the select element and creating a wrapper span which has a border.
html:
<span class="select-wrapper">
<select class="form-control no-radius">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3&...
Installing PDO driver on MySQL Linux server
...nge my code to use PDO in order to parameterize my queries and safely save HTML in the database.
6 Answers
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How do I create a SHA1 hash in ruby?
... Ruby Standard Library (ruby-doc.org/stdlib-1.9.2/libdoc/digest/rdoc/index.html). It includes implementations for SHA1, SHA2, MD5 and others hash algorithms.
– jwfearn
Jun 11 '12 at 18:07
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Which regular expression operator means 'Don't' match this character?
... @Click: It's pretty standard. regular-expressions.info/refadv.html, also most regexp engine manuals say the same thing.
– Amadan
May 8 '11 at 5:25
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