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How to define a custom ORDER BY order in mySQL
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Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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Java EE web development, where do I start and what skills do I need? [closed]
...t to learn, at least at a basic level, how to build Java web applications (coming from a .NET background). I would like to be able to build, deploy a simple CMS type application from the ground up.
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Using python's eval() vs. ast.literal_eval()?
...ossible solution. Now I have never had
to use eval() before but, I have come across plenty of information about the potential
danger it can cause. That said, I'm very wary about using it.
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Does making a struct volatile make all its members volatile?
... in C. ]
That means, if your object is an instance of a struct, then the compiler cannot avoid aggressive optimization involving the object, unless it avoids aggressive optimization of each of it's members. (Otherwise, how else it can avoid optimization involving the object?)
Related topic:
Wh...
Trigger a keypress/keydown/keyup event in JS/jQuery?
...ent Keypress: Which key was pressed?, specifically regarding cross-browser compatability with the .which property.
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Error installing mysql2: Failed to build gem native extension
... replaced by ruby-mysql. This is where I found the solution.
If the above command doesn't work because libmysql-ruby cannot be found, the following should be sufficient:
sudo apt-get install libmysqlclient-dev
On Red Hat/CentOS and other distributions using yum:
sudo yum install mysql-devel
O...
How does one use rescue in Ruby without the begin and end block
...ock on its own line) like rescue TypeError; rescue NameError -- or you can comma-separate the exception classes, e.g. rescue TypeError, NameError
– chemturion
Apr 15 at 5:07
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Why is the console window closing immediately once displayed my output?
...se.
why is that?
Because it's finished. When console applications have completed executing and return from their main method, the associated console window automatically closes. This is expected behavior.
If you want to keep it open for debugging purposes, you'll need to instruct the computer t...
How to remove “onclick” with JQuery?
...rop('onclick',null).off('click');
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<a id="a$id" onclick="alert('get rid of this')" href="javascript:void(0)" class="black">Qualify</a>
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