大约有 46,000 项符合查询结果（耗时：0.0453秒） [XML]
Iteration over std::vector: unsigned vs signed index variable
...et away with only a conversion in the forward iterating case, it could actually go wrong all the way in the backward iterating case when using std::size_t, in case std::size_t is wider than what is the typedef of size_type):
Using std::vector
Using iterators
for(std::vector<T>::iterator i...
Spark java.lang.OutOfMemoryError: Java heap space
... longer need to play with these values, spark will determine them automatically.
Similar to above but shuffle memory fraction. If your job doesn't need much shuffle memory then set it to a lower value (this might cause your shuffles to spill to disk which can have catastrophic impact on speed). So...
what is the unsigned datatype?
...
Martin v. LöwisMartin v. Löwis
110k1616 gold badges180180 silver badges226226 bronze badges
...
AngularJS ng-click stopPropagation
...
ngClick directive (as well as all other event directives) creates $event variable which is available on same scope. This variable is a reference to JS event object and can be used to call stopPropagation():
<table>
<tr ng-repeat="user in users...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
In my multithreaded asmx web service I had a class field _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill...
Reactjs convert html string to jsx
...
Juan Marco
1,18311 gold badge1313 silver badges1717 bronze badges
answered Oct 9 '13 at 16:34
Sophie AlpertSophie Alp...
What is managed or unmanaged code in programming?
... some text from MSDN about unmanaged code.
Some library code needs to call into unmanaged code (for example, native code APIs, such as Win32). Because this means going outside the security perimeter for managed code, due caution is required.
Here is some other complimentary explication about M...
What happens if you static_cast invalid value to enum class?
...ue is specified(*), and no Undefined Behaviour (UB) is involved. More generally, as you cast from the underlying type to the enumeration type, no value in data[0] can lead to UB for the static_cast.
After CWG 1766 (C++17)
See CWG defect 1766.
The [expr.static.cast]p10 paragraph has been strengthene...
Invalid default value for 'create_date' timestamp field
... - NO_ZERO_DATE.
From the reference: NO_ZERO_DATE - In strict mode, don't allow '0000-00-00' as a valid date. You can still insert zero dates with the IGNORE option. When not in strict mode, the date is accepted but a warning is generated.
...
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
...
Hi I did try all of the above and I am still getting the same errors, I don't quite understand what I lack here. My FQDN is ak.local.com set in the same fashion as your answer but I am still getting the same issues. I am running on OSX 10...