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Load and execute external js file in node.js with access to local variables?
...ken, like this:
// circle.js
var PI = 3.14; // PI will not be accessible from outside this module
exports.area = function (r) {
return PI * r * r;
};
exports.circumference = function (r) {
return 2 * PI * r;
};
And the client code that will use our module:
// client.js
var circle = requi...
SQLite Reset Primary Key Field
...
Try this:
delete from your_table;
delete from sqlite_sequence where name='your_table';
SQLite Autoincrement
SQLite keeps track of the largest
ROWID that a table has ever held using
the special SQLITE_SEQUENCE table. The
SQLITE...
Just what is an IntPtr exactly?
...
It's called IntPtr, because to use it from unmanaged native code, C/C++, you will have to use the analogic type: intptr_t. C#'s IntPtr maps exactly to C/C++'s intptr_t. And it's probably implemented as intptr_t. In C/C++, intptr_t type is guaranteed to be the...
How to unzip a file using the command line? [closed]
...rigger the native unzip functionality in Windows. Then pipe out the script from within your batch file and then call it. Then it's as good as stand alone. I've done it in the past for numerous tasks. This way it does not require need of third party applications, just the one batch file that does eve...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...d
Neither did:
after :each do
sign_out :user
end
Taking inspiration from the answer to this stackoverflow question, I ran different combinations of rspec directories together to find out which ones could be interfering with each other.
In the end I discovered I was calling:
before() do #note...
Passing arguments to require (when loading module)
...give you a module to work with. However if you reference it somewhere else from another module?? in the basic system there appears to be a cache involved, but in this system, the cache would return the bare generator method on subsequent calls to require(), and if you passed args to require()(somear...
How do I move a Git branch out into its own repository?
... history will go with it. You can then choose whether to delete the branch from the original repository.
e.g.
git push url://to/new/repository.git branch-to-move:new-branch-name
For a new repository, new-branch-name is typically master.
Creating a new, empty repository can be done with git init...
How to ignore files which are in repository?
...nge that situation - It would keep beinging committed.
To remove the file from the Index/Staging area use git rm <file>.
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How to round float numbers in javascript?
... This doesn't always work. Take Math.round(1.005*100)/100 for example from MDN
– tybro0103
May 3 '16 at 17:54
7
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Setting variable to NULL after free
...to NULL has at least one significant drawback: it can prevent the compiler from warning you about uninitialized variables. Unless the logic of your code actually explicitly handles that value for the pointer (i.e. if (nPtr==NULL) dosomething...) it's better to leave it as-is.
–...