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How to index characters in a Golang string?
...)) and may reconvert the string on each iteration for, O(n²). Just do for _, r := range word { fmt.Printf("%c", r) }. If you really wanted to loop with an index for x := 0; x < limit; x++. Please learn the basics of a language before answering questions.
– Dave C
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What are Unwind segues for and how do you use them?
...elow delegate will call and data will share.
@IBAction func unWindSeague (_ sender : UIStoryboardSegue) {
if sender.source is ViewControllerB {
if let _ = sender.source as? ViewControllerB {
self.textLabel.text = "Came from ...
Auto code completion on Eclipse
... I think adding the Capital letters would be handy. I have added ._@abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
– Md. Abu Nafee Ibna Zahid
Jul 2 '18 at 11:22
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What methods of ‘clearfix’ can I use?
...oom property triggers hasLayout in IE:
.container {
overflow: hidden;
_overflow: visible; /* for IE */
_zoom: 1; /* for IE */
}
While this works... it is not ideal to use hacks.
PIE: Easy Clearing Method
This older "Easy Clearing" method has the advantage of allowing positioned elements...
how to check and set max_allowed_packet mysql variable [duplicate]
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max_allowed_packet
is set in mysql config, not on php side
[mysqld]
max_allowed_packet=16M
You can see it's curent value in mysql like this:
SHOW VARIABLES LIKE 'max_allowed_packet';
You can try to change it like this, bu...
Task vs Thread differences [duplicate]
... answered Jan 27 '15 at 10:03
M_ FaM_ Fa
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Replacing all non-alphanumeric characters with empty strings
...value.replaceAll("[^A-Za-z0-9]", "");
or
return value.replaceAll("[\\W]|_", "");
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How to build & install GLFW 3 and use it in a Linux project
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Note that you do not need that many -ls if you install glfw with the BUILD_SHARED_LIBS option. (You can enable this option by running ccmake first).
This way sudo make install will install the shared library in /usr/local/lib/libglfw.so.
You can then compile the example file with a simple:
g++ ma...
find() with nil when there are no records
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Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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overlay opaque div over youtube iframe
...text/html" width="520" height="330" src="http://www.youtube.com/embed/NWHfY_lvKIQ?wmode=opaque" frameborder="0"></iframe>
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