大约有 30,000 项符合查询结果（耗时：0.0511秒） [XML]
How do I make a semi transparent background?
...mweaver CS5 was tanking. I was having flash backs to DOS!!! Apparently any time I tried to scroll, insert text, basically do anything, DW was trying to reload the semi transparent areas 1x1 pixel at a time ... YIKES!
Adobe tech support didn't even know what the problem was, but told me to rebuild t...
How to use null in switch
...n is of a reference type, such as a boxed primitive type or an enum, a run-time error will occur if the expression evaluates to null at run-time.
You must have to verify for null before Swithch statement execution.
if (i == null)
See The Switch Statement
case null: // will never be executed, t...
Can someone explain __all__ in Python?
... Instead we have to type down their names and correct them individually anytime a name changes. Seems very bug prone for active codebases.
– Julio Cezar Silva
Aug 7 at 15:01
a...
Factory Pattern. When to use factory methods?
...tively nested, when your House fails creating you will probably spend some time trying to isolate exactly what is failing.
The alternative is to do the following (dependency injection, if you like the fancy term):
$TVObj = new TV($param1, $param2, $param3);
$LivingroomObj = new LivingRoom($TVObj, ...
vs
... disables the lookahead downloader in IE8, which can impact your page load times. Yeah, yeah, I know... drop IE8. @MészárosLajos can come back here in a couple of years and bust our balls for still supporting IE8. ;-)
– erturne
Mar 5 '14 at 2:38
...
How do you move a file?
...e issues moving over 1,500 files in one go. Moving them one directory at a time seemed to get rid of this issue though.
– Michael Murphy
Jun 4 '19 at 12:31
add a comment
...
How do emulators work and how are they written? [closed]
...cessor. The core problem with interpretation is that it's very slow; each time you handle a given instruction, you have to decode it and perform the requisite operation.
With dynamic recompilation, you iterate over the code much like interpretation, but instead of just executing opcodes, you build ...
Visual Studio support for new C / C++ standards?
...age. There's no doubt they will work on C++0x, but they'll need a bit more time than say Intel. Micosoft has to deal with a larger codebase that often uses their proprietary extensions. This simply makes for a longer testfase. Yet, they will support most of C++0x eventually (export still isn't loved...
Why is Maven downloading the maven-metadata.xml every time?
...us in my case, Maven Central if you're not using your own remote repo) any time Maven needs to retrieve a snapshot artifact during a build, checking to see if there's a newer copy. The metadata is required for this. If there is a newer copy Maven downloads it to your local repo.
In the example, f...
When should TaskCompletionSource be used?
...Source is when it's possible that my method won't necessarily have to do a time consuming operation. What it allows us to do is to choose the specific cases where we'd like to use a new thread.
A good example for this is when you use a cache. You can have a GetResourceAsync method, which looks in t...