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How do HTML parses work if they're not using regexp?
... The primary problem with HTML parsers is that upon encountering an error, you're not okay to spit out "Parse error" and leave it at that. You enter quirks mode and try to make out the best you can from the mess you encountered, including mismatched tags, [{]} style interlace, and all kinds o...
How to use Git Revert
...t is still confusing people (like me)
As a beginner, after some trial and error (more errors than trials) I've got an important point:
git revert requires the id of the commit you want to remove keeping it into your history
git reset requires the commit you want to keep, and will consequentially...
Why must we define both == and != in C#?
...our compiled the code in the example program, you will see it runs with no errors. However, if you tried adding the line:
cout << (a != b);
you will get
compiler error C2678 (MSVC) : binary '!=' : no operator found which takes a left-hand operand of type 'Test' (or there is no acceptab...
What is the standard naming convention for html/css ids and classes?
... by id easily in like that. But if you use a hyphen it will cause a syntax error.
This is an old sample, but it can work without jquery -:)
thanks to @jean_ralphio, there is work around way to avoid by
var x = document.myForm['my-Id'].value;
Dash-style would be a google code style, but I don't...
In which case do you use the JPA @JoinTable annotation?
... recent versions of Hibernate refuse to start up by printing the following error:
org.hibernate.AnnotationException:
Associations marked as mappedBy must not define database mappings
like @JoinTable or @JoinColumn
Let's pretend that you have an entity named Project and another entity na...
When does invoking a member function on a null instance result in undefined behavior?
...mplies. The rationale says that it should be allowed because "*p is not an error when p is null unless the lvalue is converted to an rvalue." However, that relies on the concept of an "empty lvalue," which is part of the proposed resolution to CWG defect 232, but which has not been adopted. So, wit...
Undefined, unspecified and implementation-defined behavior
...e in a predictable way, even though many C++ compilers will not report any errors in the program!
Let's look at a classic example:
#include <iostream>
int main()
{
char* p = "hello!\n"; // yes I know, deprecated conversion
p[0] = 'y';
p[5] = 'w';
std::cout << p;
}
The...
Can I unshelve to a different branch in tfs 2008?
... does not work for me when I have "add" changes in the shelveset. I get an error "Failed to retrieve shelved file.A shelved pending change on a file is required".
– John Saunders
May 10 '15 at 20:12
...
What is the C runtime library?
...curate) at runtime are implemented in the runtime library, e.g. some logic errors, array bounds checking, dynamic type checking, exception handling and possibly debugging functionality. For this reason, some programming bugs are not discovered until the program is tested in a "live" environment with...
Best practices for using Markers in SLF4J/Logback
..., such as sending an email to an administrator for some seriously critical errors. Not all errors always fall in the same category; some have to be dealt in an appropriate way.
Or, when a user quits from your service, it usually goes to an INFO log, but you can also use a marker for such instances,...