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Python Regex instantly replace groups
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Way more clear than the doc! Did not understand how group was working with this one. They should add such example.
– Y0da
Apr 26 '18 at 21:46
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Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
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openssl:Error: '-config' is an invalid command. how do you guys set it?
– benez
Dec 17 '15 at 14:01
1
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
... in PHP that can decode Unicode escape sequences like " \u00ed " to " í " and all other similar occurrences?
7 Answers
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What's a good Java, curses-like, library for terminal applications? [closed]
...e, too bad though that it requires native libraries. I'll give this a shot and see how far I get.
– Francisco Canedo
Jan 16 '09 at 12:03
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How do I move the turtle in LOGO? [closed]
.../ TURN LEFT
LT 21
// MOVE BACKWARD
BK 17
Check out some other turtle commands found here...
Turtle Commands
BACK ## [BK] - Move turtle back
BACKGROUND ## [BG] - Set Background color (0-15)
0 - Black
1 - White
2 - Red
3 - Cyan
4 - Purple
5 - Green
6 - Blue
7 - Yellow
8 - Orange
9 - Brown...
What does $$ (dollar dollar or double dollar) mean in PHP?
... variable thas has its name contained in $name"
Which is $real_variable
And has the value 'test'
EDIT after @Jhonny's comment :
Doing a $$$ ?
Well, the best way to know is to try ;-)
So, let's try this portion of code :
$real_variable = 'test';
$name = 'real_variable';
$name_of_name = '...
How to wrap async function calls into a sync function in Node.js or Javascript?
...ata using Node.js built-in fs.readFileSync . It's obvious both getData and fs.readFileSync are sync functions. One day you were told to switch the underlying data source to a repo such as MongoDB which can only be accessed asynchronously. You were also told to avoid pissing off your users, ge...
How to convert an image to base64 encoding?
...encode($imagedata);
bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit.
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Java array reflection: isArray vs. instanceof
...u might, for example, be implementing some sort of serialization mechanism and be able to pass each component of the array to the same serialization method, regardless of type.
There are two special cases: null references and references to primitive arrays.
A null reference will cause instanceof t...
Inheritance vs. Aggregation [closed]
There are two schools of thought on how to best extend, enhance, and reuse code in an object-oriented system:
12 Answers
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