大约有 46,000 项符合查询结果（耗时：0.0611秒） [XML]
What are forward declarations in C++?
...ractise and I recommend trying it. However, it can take a some effort and extra lines of code that may need to be maintained and updated if type names etc are still being changed (although tools are getting better at renaming stuff automatically). So there is a tradeoff. I've seen code bases where ...
Tables instead of DIVs [duplicate]
...n it makes sense to indicate a logical division, and only appropriated for extra layout when absolutely necessary. The same is true for table; use it when you have tabular data, but not otherwise.
Then you have a more semantic page and you don't need quite as many classes defined in your CSS; you ...
What's the right way to decode a string that has special HTML entities in it? [duplicate]
...ar num = parseInt(numStr, 10); // read num as normal number
return String.fromCharCode(num);
});
}
[Edit]
Note: this would only work for numeric html-entities, and not stuff like &oring;.
[Edit 2]
Fixed the function (some typos), test here: http://jsfiddle.net/Be2Bd/1/
...
How to append to a file in Node?
I am trying to append a string to a log file. However writeFile will erase the content each time before writing the string.
...
Paging with Oracle
... and java. The paging code looks like this:
public public List<Map<String, Object>> getAllProductOfferWithPagination(int pageNo, int pageElementSize, Long productOfferId, String productOfferName) {
try {
if(pageNo==1){
//do nothing
} else{
p...
How do I find out if the GPS of an Android device is enabled
...n to the user if you want.
Check if location providers are available
String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(provider != null){
Log.v(TAG, " Location providers: "+provider);
//Start searching for loca...
When/Why to use Cascading in SQL Server?
...th a unique constraint.
When To Use Cascading
You may want to get an extra strong confirmation back from the user before allowing an operation to cascade, but it depends on your application.
Cascading can get you into trouble if you set up your foreign keys wrong. But you should be okay if yo...
CASCADE DELETE just once
...hus foreign) keys. Also, the keys all have to be able to be represented in string form, but it could be written in a way that doesn't have that restriction. I use this function VERY SPARINGLY anyway, I value my data too much to enable the cascading constraints on everything.
Basically this function ...
support FragmentPagerAdapter holds reference to old fragments
...tag of the fragment auto generated by the FragmentPagerAdapter...
private String getFragmentTag(int pos){
return "android:switcher:"+R.id.viewpager+":"+pos;
}
Then I simply get a reference to that fragment and do what I need like so...
Fragment f = this.getSupportFragmentManager().findFragme...
Firing a double click event from a WPF ListView item using MVVM
...
Well said, I refuse to use all that code and an extra DLL just to do a double-click!
– Eduardo Molteni
Oct 30 '09 at 1:51
4
...