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How to revert a Git Submodule pointer to the commit stored in the containing repository?
I have a git submodule in my main git repo. As I understand it, the main repo stores a SHA value (somewhere...), pointing to the specific commit of the submodule that it is "linked to".
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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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After submitting a POST form open a new window showing the result
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If you want to create and submit your form from Javascript as is in your question and you want to create popup window with custom features I propose this solution (I put comments above the lines i added):
var form = document.createElement("form")...
Cost of exception handlers in Python
...nt division or modulo by zero
So, as expected, not having any exception handler is slightly faster (but blows up in your face when the exception happens), and try/except is faster than an explicit if as long as the condition is not met.
But it's all within the same order of magnitude and unlikel...
what's the meaning of '=?' in angularJS directive isolate scope declaration?
... or =attr - set up bi-directional binding between a local scope
property and the parent scope property of name defined via the value
of the attr attribute. If no attr name is specified then the
attribute name is assumed to be the same as the local name. Given
<widget my-attr="parentModel"...
Gradle alternate to mvn install
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apply plugin: "maven" and $sdk> gradle install this will install the sdk into .m2 right ? And mavenLocal() also gets info from .m2 and .gradle ?
– Rajmahendra
May 26 '11 at 10:01
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Substitute multiple whitespace with single whitespace in Python [duplicate]
...ity (if you'd rather avoid REs) is
' '.join(mystring.split())
The split and join perform the task you're explicitly asking about -- plus, they also do the extra one that you don't talk about but is seen in your example, removing trailing spaces;-).
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Is there a better alternative than this to 'switch on type'?
...-types
Short version: TypeSwitch is designed to prevent redundant casting and give a syntax that is similar to a normal switch/case statement. For example, here is TypeSwitch in action on a standard Windows form event
TypeSwitch.Do(
sender,
TypeSwitch.Case<Button>(() => textBox1.T...
When should TaskCompletionSource be used?
...n NuGet which allows the async/await keywords in .NET 4.0 projects (VS2012 and higher is recommended).
– Erik
Feb 1 '14 at 18:41
1
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Is there a “not in” operator in JavaScript for checking object properties?
...se statement just to use the else portion...
Just negate your condition, and you'll get the else logic inside the if:
if (!(id in tutorTimes)) { ... }
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