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ALTER TABLE without locking the table?
...utious of any INSERT/UPDATE/DELETE on the source table. (Could be managed by a trigger. Although this would cause a slow down, it's not a lock...)
Once finished, change the name of the source table, then change the name of the new table. Preferably in a transaction.
Once finished, recompile any...
How to host google web fonts on my own server?
...self to the true type format, whilst the google webfont service determines by the accessing device which formats will be transmitted.
Furthermore, I had to add a .htaccess file to my the directory holding the fonts containing mime types to avoid errors from popping up in Chrome Dev Tools.
For this s...
Define static method in source-file with declaration in header-file in C++
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How can Xcode 6 adaptive UIs be backwards-compatible with iOS 7 and iOS 6?
...7, except size classes that have a Compact Height. This has been confirmed by Apple and is now stated directly in the documentation:
For apps supporting versions of iOS earlier than iOS 8, most size classes are backward compatible.
Size classes are backward compatible when:
- The app is built using...
When should you use a class vs a struct in C++?
...ith so many things in C++, the default is backwards: public inheritance is by far the more common choice, but people rarely declare structs just to save on typing the "public" keyword.
But the real difference in practice is between a class/struct that declares a constructor/destructor and one that...
How can i get the session object if i have the entity-manager
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How to check if a given directory exists in Ruby
...atic way to write the method would be to take advantage of the fact that Ruby automatically returns the result of the last expression inside the method. Thus, you could write it like this:
def directory_exists?(directory)
File.directory?(directory)
end
Note that using a method is not necessary ...
Function of Project > Clean in Eclipse
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How to change ProgressBar's progress indicator color in Android
...
Please help me. I try to create greenprogress.xml by copy your code but the Android Studio 0.4.6 mark <layer-list> as and error "Element-list must be declared" what should I do?
– UmAnusorn
Feb 25 '14 at 9:22
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How to convert a NumPy array to PIL image applying matplotlib colormap
..._earth is an instance), I discovered that it's possible to call it with a "bytes" argument which already converts it to uint8. Then, the one-liner gets a lot quieter: im = Image.fromarray(cm.gist_earth(myarray, bytes=True))
– heltonbiker
Jun 13 '12 at 4:20
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