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Why are these numbers not equal?
...allest positive floating-point number x
#such that 1 + x != 1. It equals base^ulp.digits if either
#base is 2 or rounding is 0; otherwise, it is
#(base^ulp.digits) / 2. Normally 2.220446e-16.
#....
.Machine$double.eps
#[1] 2.220446e-16
sprintf("%a",.Machine$double.eps)
#[1] "0x1p-52"
Yo...
What is the difference between 'protected' and 'protected internal'?
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- Update answer 2019 -
You can find the difference in below table based accessibility is yes,
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How to edit log message already committed in Subversion?
...t modify a remote
repository using this command.
$ svnadmin setlog REPOS_PATH -r N FILE
where REPOS_PATH is the repository
location, N is the revision number
whose log message you wish to change,
and FILE is a file containing the new
log message. If the
"pre-revprop-change" hook i...
Using fonts with Rails asset pipeline
...he extension .css.erb, and the font declaration should be url('<%= asset_path(...) %>').
If you are using Rails > 3.2.1, you can use font_path(...) instead of asset_path(...). This helper does exactly the same thing but it's more clear.
Finally, use your font in your CSS like you declared ...
在 App Inventor 2 中使用图像 · App Inventor 2 中文网
... an image much larger than the app requires.
Every image has a “size” based on its width and height in pixels. You can multiply these two numbers to get a sense of the amount of memory required for displaying the image.
App Inventor lets you get images (for example, from the Web) and impo...
Git: How to squash all commits on branch
...eset the index to master:
git checkout yourBranch
git reset $(git merge-base master yourBranch)
git add -A
git commit -m "one commit on yourBranch"
This isn't perfect as it implies you know from which branch "yourBranch" is coming from.
Note: finding that origin branch isn't easy/possible wit...
Web Reference vs. Service Reference
...T 2.0 too on the computer? Or .NET 4.0 will be able to handle the .NET 2.0 based "Web Reference" technology? I want to know because I am deploying a SOAP webservice as "Web Reference" in a .NET 4.0 application.
– Computer User
May 6 '14 at 21:07
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Where to place and how to read configuration resource files in servlet based application?
In my web application I have to send email to set of predefined users like finance@xyz.com , so I wish to add that to a .properties file and access it when required. Is this a correct procedure, if so then where should I place this file? I am using Netbeans IDE which is having two separate folder...
Understanding spring @Configuration class
...rstanding Spring @Autowired usage I wanted to create a complete knowledge base for the other option of spring wiring, the @Configuration class.
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How do I solve the INSTALL_FAILED_DEXOPT error?
...case after tinkering with jars. For me this was on Android 2.3 Gingerbread based devices only, ICS & Lollipop were fine.
– AlexVPerl
May 25 '15 at 0:53
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