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Difference between Visibility.Collapsed and Visibility.Hidden
...ace the control would take is 'collapsed', hence the name.
The exact text from the MSDN:
Collapsed: Do not display the element, and do not reserve space for it in layout.
Hidden: Do not display the element, but reserve space for the element in layout.
Visible: Display the element.
S...
Git: how to reverse-merge a commit?
...git revert <commit>
It's also possible to actually remove a commit from an arbitrary point in the past by rebasing and then resetting, but you really don't want to do that if you have already pushed your commits to another repository (or someone else has pulled from you).
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How to read lines of a file in Ruby
I was trying to use the following code to read lines from a file. But when reading a file , the contents are all in one line:
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Clang vs GCC for my Linux Development project
...lt;(std::ostream& out, Student const& s) {
^
In file included from /tmp/webcompile/_25327_1.cc:1:
In file included from /usr/include/c++/4.3/string:49:
In file included from /usr/include/c++/4.3/bits/localefwd.h:47:
/usr/include/c++/4.3/iosfwd:134:33: note: previous definition is here
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Is effective C++ still effective?
From what I saw in this post I decided to start reading the book Effective C++ .
3 Answers
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Difference between API and ABI
...rface
This is the set of public types/variables/functions that you expose from your application/library.
In C/C++ this is what you expose in the header files that you ship with the application.
ABI: Application Binary Interface
This is how the compiler builds an application.
It defines things (b...
Cannot push to Heroku because key fingerprint
...to fix my second account, it would not take until I removed my default key from the first account. SSH-AGENT will send the first key by default, causing this problem. The fix is to create specific keys for heroku (not the default) for each account
– Tom Carchrae
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“unary operator expected” error in Bash if condition
...the variable expansion and the variable is undefined or empty, it vanishes from the scene of the crime, leaving only
if [ = "and" ];
which is not a valid syntax. (It would also fail with a different error message if $aug1 included white space or shell metacharacters.)
The modern [[ operator has...
Why is my Spring @Autowired field null?
... top of your answer that explains that retrieving the first bean, the root from which you do everything, should be done through the ApplicationContext. Some users (for which I've closed as duplicates) don't understand this.
– Sotirios Delimanolis
Oct 18 '14 at ...
Default string initialization: NULL or Empty? [closed]
...to use String.Compare? Should I be creating an Enum and parsing into it?
From this perspective, one gets to a philosophy of code that's pretty simple: you avoid examining a string's contents wherever possible. Comparing a string to String.Empty is really just a special case of comparing it to a ...