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How much faster is Redis than mongoDB?
...s, features and operations (and maybe showing how the factor changes with different configurations and operations), etc, is Redis 10x faster?, 2x faster?, 5x faster?
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static constructors in C++? I need to initialize private static objects
...ts private members. I could add code in the constructor that checks to see if the vector is initialized, and initialize it if it's not, but that introduces many necessary checks and doesn't seem like the optimal solution to the problem.
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Can you animate a height change on a UITableViewCell when selected?
...ill find it doesn't do a full reload but is enough for the UITableView to know it has to redraw the cells, grabbing the new height value for the cell.... and guess what? It ANIMATES the change for you. Sweet.
I have a more detailed explanation and full code samples on my blog... Animate UITableView...
ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...wn during POSTing wrapper model and changing the state of one entry to 'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6.
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How to programmatically show next view in ViewPager?
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Unfortunately I do get different behavior, when the user swipes manually and when I jump using setCurrentItem. The order of calls is reversed. When I swipe, it first calls OnPageChangeListener#onPageSelected and then it calls setUserVisibleHint in t...
_DEBUG vs NDEBUG
Which preprocessor define should be used to specify debug sections of code?
6 Answers
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Get Image size WITHOUT loading image into memory
...In addition the docs say:
open(file, mode=”r”)
Opens and identifies the given image file.
This is a lazy operation; this function identifies the file, but the actual image data is not read from the file until you try to process the data (or call the load method).
Digging deeper...
Chrome, Javascript, window.open in new tab
...olled by Internet Explorer users.
Opening pages using Window.open with a different window name will open in a new browser window like a popup, OR open in a new tab, if the user configured the browser to do so.
EDIT:
A more detailed explanation:
1. In modern browsers, window.open will open in a n...
How do you run a single test/spec file in RSpec?
...troller_spec.rb \
SPEC_OPTS="-e \"should log in with cookie\""
Now figure out how to embed this into your editor.
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Difference between RegisterStartupScript and RegisterClientScriptBlock?
Is the only difference between the RegisterStartupScript and the RegisterClientScriptBlock is that RegisterStartupScript puts the javascript before the closing </form> tag of the page and RegisterClientScriptBlock puts it right after the starting <form> tag of the page?
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