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What's the difference between and
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<?> and <? extends Object> are synonymous, as you'd expect.
There are a few cases with generics where extends Object is not actually redundant. For example, <T extends Object & Foo> will cause T to become Object ...
How to find corresponding log files folder for a web site?
There are multiple web sites and multiple folders under inetpub\logs\LogFiles (W3SVC1, W3SVC2, etc). How can I find what folder is used by a given web site?
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MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer
I'm using the DataType.Date attribute on my model and an EditorFor in my view. This is working fine in Internet Explorer 8 and Internet Explorer 9 , but in Google Chrome it is showing a date picker and instead of displaying the value it just displays "Month/Day/Year" in faded gray text.
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Left align and right align within div in Bootstrap
What are some of the common ways to left align some text and right align some other text within a div container in bootstrap?
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How can I escape square brackets in a LIKE clause?
... I corrected the other part of the answer too. SQL Fiddle with before and after versions
– Martin Smith
Oct 31 '12 at 22:20
10
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Adding :default => true to boolean in existing Rails column
... that you would have to create a rake task or just go in the rails console and update all the records (which I would not recommend in production).
When you added t.boolean :show_attribute, :default => true to the create_profiles migration, it's expected that it didn't do anything. Only migrations...
How to properly import a selfsigned certificate into Java keystore that is available to all Java app
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On Windows the easiest way is to use the program portecle.
Download and install portecle.
First make 100% sure you know which JRE or JDK is being used to run your program. On a 64 bit Windows 7 there could be quite a few JREs. Process Explorer can help you with this or you can use: System.out...
What does 'wb' mean in this code, using Python?
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File mode, write and binary. Since you are writing a .jpg file, it looks fine.
But if you supposed to read that jpg file you need to use 'rb'
More info
On Windows, 'b' appended to the mode
opens the file in binary mode, so
there ar...
What is the current directory in a batch file?
...dp0 refers to the full path to the batch file's directory (static)
%~dpnx0 and %~f0 both refer to the full path to the batch directory and file name (static).
See also: What does %~dp0 mean, and how does it work?
share
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How do you push a tag to a remote repository using Git?
...on introduced in Git 1.8.3:
git push --follow-tags
It pushes both commits and only tags that are both:
annotated
reachable (an ancestor) from the pushed commits
This is sane because:
you should only push annotated tags to the remote, and keep lightweight tags for local development to avoid tag c...