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How do I manage MongoDB connections in a Node.js web application?
...t results from MongoClient.connect(). This gives you pooling, and will provide a noticeable speed increase as compared with opening/closing connections on each db action.
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iOS: Modal ViewController with transparent background
...your view hierarchy. (eg. a NavigationController or the instance of your slide menu view controller for example).
– iGranDav
Jun 4 '14 at 13:41
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How can I properly handle 404 in ASP.NET MVC?
...SP.net MVC 1.0 as well
Here's how I handle http exceptions:
protected void Application_Error(object sender, EventArgs e)
{
Exception exception = Server.GetLastError();
// Log the exception.
ILogger logger = Container.Resolve<ILogger>();
logger.Error(exception);
Response.Cle...
Objective-C: Property / instance variable in category
... do exactly what you're wanting:
#import <objc/runtime.h>
static void *MyClassResultKey;
@implementation MyClass
- (NSString *)test {
NSString *result = objc_getAssociatedObject(self, &MyClassResultKey);
if (result == nil) {
// do a lot of stuff
result = ...;
objc_setAss...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...mary key and unique constraints are implemented in terms of an index is a side effect. To manage indexes, you have CREATE/ALTER/DROP INDEX, as you are well aware.
Why do you have a such a requirement as to add non-unique-non-clustered indexes in the CREATE TABLE statement?
Note that SQL Server 201...
Angular.js directive dynamic templateURL
I have a custom tag in a routeProvider template that that calls for a directive template. The version attribute will be populated by the scope which then calls for the right template.
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Python: changing value in a tuple
...anting to mutate an immutable container (therefore the "why" is a very valid question) is different than interpreting different formats some of which may be a tuple. Thanks for venting though :)
– Jon Clements♦
Jan 6 '18 at 17:19
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How can I temporarily disable a foreign key constraint in MySQL?
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This worked for me after trying the 'best answer' didn't work for me. Perhaps an explanation of the difference could be added.
– hexnet
Aug 27 '15 at 12:37
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Can you control how an SVG's stroke-width is drawn?
...
No, you cannot specify whether the stroke is drawn inside or outside an element. I made a proposal to the SVG working group for this functionality in 2003, but it received no support (or discussion).
As I noted in the proposal,
you can achieve the same visual result as "ins...
Git undo local branch delete
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Deleted branch branch_name(was e562d13)
where e562d13 is a unique ID (a.k.a. the "SHA" or "hash"), with this you can restore the deleted branch.
To restore the branch, use:
git checkout -b <branch_name> <sha>
for example:
git checkout -b branch_name e562d13
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