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Check for null in foreach loop

...calls, unnecessary GetEnumerator(), MoveNext(), Dispose() on the iterator, etc). An if test is simple, obvious, and efficient. share | improve this answer | follow ...
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How big can a MySQL database get before performance starts to degrade

... is: it depends on the query, data that it operates on, indexes, hardware, etc. You can get an idea of how many rows are going to be scanned and what indexes are going to be used with EXPLAIN syntax. 2GB does not really count as a "large" database - it's more of a medium size. ...
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Node.js setting up environment specific configs to be used with everyauth

...d therefore best expressed declaratively with things like json, yaml, ini, etc. Done imperatively, with a script that yields that state, sortof implies something dynamic is happening, which would be bad. – max Oct 16 '15 at 4:17 ...
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Java maximum memory on Windows XP

...auses of the variances are different security patches, C runtime versions, etc. Device drivers and other kernel bits have their own address space (the other 2GB of the 4GB 32-bit space). You could try going through your DLL bindings in your JVM process and look at trying to rebase your DLL's in to ...
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Django: Get list of model fields?

...l try to update you on Django 2.2 Here posts- your app (posts, blog, shop, etc.) 1) From model link: https://docs.djangoproject.com/en/stable/ref/models/meta/ from posts.model import BlogPost all_fields = BlogPost._meta.fields #or all_fields = BlogPost._meta.get_fields() Note that: all_fields=Blog...
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invalid_grant trying to get oAuth token from google

...st users but for some users I still get invalid_grant, invalid_credentials etc. for no particular reasons. – Allen King Dec 29 '15 at 19:32  |  ...
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How to style icon color, size, and shadow of Font Awesome Icons

... Looks like the FontAwesome icon color responds to text-info, text-error, etc. <div style="font-size: 44px;"> <i class="icon-umbrella icon-large text-error"></i> </div> share | ...
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How can I dynamically add a directive in AngularJS?

...t I can now use Angular Bootstrap directives like datepicker, alert, tabs, etc. Apparently I msssed something up and right now it's only working in Chrome though: embed.plnkr.co/WI16H7Rsa5adejXSmyNj/preview – JoshGough Jun 30 '13 at 19:31 ...
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“Cross origin requests are only supported for HTTP.” error when loading a local file

...r/supersecret.doc') and then upload the content to their server using ajax etc. – Andreas Wong May 25 '12 at 9:50 11 ...
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Dilemma: when to use Fragments vs Activities:

...r, it's easy to clear all the Fragments, insert more than on Fragments and etcs. But for Activity, it will be a nightmare to manipulate those stuff. A much predictable lifecycle. As long as the host Activity is not recycled. the Fragments in the backstack will not be recycled. So it's possible to us...