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Are global variables in PHP considered bad practice? If so, why?
...ins the system configuration, and when I nead to access this variable in a function, I do global $var; .
6 Answers
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How to make rpm auto install dependencies
...very well if you're trying to script RPM to automate the install of YUM on AIX like me ;-)
– Tricky
Mar 14 '18 at 10:32
1
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How can I remove all text after a character in bash?
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@kp123: It's the first example in my answer. The second time I show it (where "tomorrow" is removed), it's almost exactly the situation you're asking about.
– Paused until further notice.
A...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...ch ru : Russian
# ar_EG: Egyptian zh_CN: Simplified Chinese
# en_GB: English (Great Britain) sk : Slovak
# et : Estonian sl : Slovenian
# fi : Finnish es_ES: Spanish
# de : German sv : Swedish
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Where to store global constants in an iOS application?
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You could also do a
#define kBaseURL @"http://192.168.0.123/"
in a "constants" header file, say constants.h. Then do
#include "constants.h"
at the top of every file where you need this constant.
This way, you can switch between servers depending on compiler flags, as in:
#i...
Passing functions with arguments to another function in Python?
Is it possible to pass functions with arguments to another function in Python?
7 Answers
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How can I escape white space in a bash loop list?
...n. (At least, it doesn't appear on Solaris 8, and I don't think it was in AIX 4.3 either.) I guess the rest of us may be stuck with piping to xargs...
– Michael Ratanapintha
Nov 19 '08 at 6:00
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What are the differences between LDAP and Active Directory?
...ectory service providers. Windows server OS uses AD as a directory server, AIX which is a UNIX version by IBM uses Tivoli directory server. Both of them uses LDAP protocol for interacting with directory.
Apart from protocol there are LDAP servers, LDAP browsers too.
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Unable to set data attribute using jQuery Data() API
...('#changeData').click(function() {
$('#foo').data('helptext', 'Testing 123');
// $('#foo').attr('data-helptext', 'Testing 123');
console.log($('#foo').data('data-helptext'));
return false;
});
See demo
Using the Chrome DevTools Console to inspect the DOM, the $('#foo').data('helptext...
Regular expression for floating point numbers
...g a floating point number is
[+-]?([0-9]*[.])?[0-9]+
This will match:
123
123.456
.456
See a working example
If you also want to match 123. (a period with no decimal part), then you'll need a slightly longer expression:
[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)
See pkeller's answer for a fuller...