大约有 45,000 项符合查询结果（耗时：0.0507秒） [XML]
Convert NSData to String?
...
Objective-C
You can use (see NSString Class Reference)
- (id)initWithData:(NSData *)data encoding:(NSStringEncoding)encoding
Example:
NSString *myString = [[NSString alloc] initWithData:myData encoding:NSUTF8StringEncoding];
Remark: Please notice the NSD...
sqlite database default time value 'now'
...sary.
Using unix epoch saves storage space - 4 bytes integer vs. 24 bytes string when stored as ISO8601 string, see datatypes. If 4 bytes is not enough that can be increased to 6 or 8 bytes.
Saving timestamp on UTC timezone makes it convenient to show a reasonable value on multiple timezones.
SQL...
Rails raw SQL example
...
@AkshayGoyal you can use normal ruby string interpolation within the block. SELECT * FROM users WHERE users.id = #{ user.id }
– Nathan Beck
Nov 15 '19 at 18:21
...
Returning http status code from Web Api controller
...e NotModified response.
public HttpResponseMessage GetComputingDevice(string id)
{
ComputingDevice computingDevice =
_db.Devices.OfType<ComputingDevice>()
.SingleOrDefault(c => c.AssetId == id);
if (computingDevice == null)
{
...
How to disable a particular checkstyle rule for a particular line of code?
...e of comments in your code. E.g.
//CHECKSTYLE:OFF
public void someMethod(String arg1, String arg2, String arg3, String arg4) {
//CHECKSTYLE:ON
Or even better, use this more tweaked version:
<module name="SuppressionCommentFilter">
<property name="offCommentFormat" value="CHECKSTYLE...
The Guava library: What are its most useful and/or hidden features? [closed]
...ially used it for collections shorthands. For example, instead of:
Map<String, Map<Long, List<String>>> map = new HashMap<String, Map<Long, List<String>>>();
you can do this:
Map<String, Map<Long, List<String>>> map = Maps.newHashMap();
It'...
boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...DType,&TParam::ID>
>,
composite_key_compare<
//std::less<std::string>
customize_compare
>
>,
ordered_non_unique< tag<TParamValidIndex>,
member<TParam,bool,&TParam::IsValid> >
>
>TParamSet;
typedef boost::multi_index::index<TParamSet,TParamIDIndex>::type TParamSetBy...
When should one use a 'www' subdomain?
...aterials, would they immediately recognise it as a web address without the extra ‘www’ or ‘http://’? In Japan, for example, you would get funny looks for choosing the non-www version.
Whichever you choose, though, be consistent. Make both www and non-www versions accessible, but make one of...
How can I save an image to the camera roll?
...ss the photo library:
<key>NSCameraUsageDescription</key>
<string>Enable camera access to take photos.</string>
<key>NSPhotoLibraryUsageDescription</key>
<string>Enable photo library access to select a photo from your library.</string>
<key>NSPh...
How exactly to use Notification.Builder
...ecodeResource(res, R.drawable.some_big_img))
.setTicker(res.getString(R.string.your_ticker))
.setWhen(System.currentTimeMillis())
.setAutoCancel(true)
.setContentTitle(res.getString(R.string.your_notif_title))
.setContentText(res.getString(...