大约有 12,800 项符合查询结果（耗时：0.0258秒） [XML]
How to limit setAccessible to only “legitimate” uses?
...ificantly)? It is hard to just throw java desktop applications out of the window because of this.
– Sero
Jan 21 '17 at 1:12
...
Peak signal detection in realtime timeseries data
...revious signals. The algorithm takes 3 inputs: lag = the lag of the moving window, threshold = the z-score at which the algorithm signals and influence = the influence (between 0 and 1) of new signals on the mean and standard deviation. For example, a lag of 5 will use the last 5 observations to smo...
Separation of business logic and data access in django
...cord for persistence doesn't mean separation of concerns should go out the window. Great answer.
– Scott Coates
Apr 18 '13 at 0:57
6
...
How do you clear the SQL Server transaction log?
....
Select Tasks → Shrink → Database
Then click OK!
I usually open the Windows Explorer directory containing the database files, so I can immediately see the effect.
I was actually quite surprised this worked! Normally I've used DBCC before, but I just tried that and it didn't shrink anything, ...
Is there a unique Android device ID?
...ROM if they are rooted
You can track users across platforms (iOS, Android, Windows, and Web)
The best want to TRACK AN INDIVIDUAL USER with their consent is to simply have them login (make this seamless using OAuth)
Overall breakdown with Android
- Guarantee uniqueness (include rooted devices) ...
Recommended way of making React component/div draggable
... You can remove the jquery dependency by doing: var computedStyle = window.getComputedStyle(this.getDOMNode()); pos = { top: parseInt(computedStyle.top), left: parseInt(computedStyle.left) }; If you're using jquery with react you're probably doing something wrong ;) If you need some jquery ...
What do linkers do?
... its job.
Note that not all operating systems create a single executable. Windows, for example, uses DLLs that keep all these functions together in a single file. This reduces the size of your executable, but makes your executable dependent on these specific DLLs. DOS used to use things called Over...
What is the best way to compute trending topics or tags?
..., 1, 1, 0])
1.65291949506
Notes
You can use this method with a sliding window (i.e. last 30 days) if you wish not to take to much history into account, which will make short term trends more pronounced and can cut down on the processing time.
You could also use a z-score for values such as chang...
In Java, what is the best way to determine the size of an object?
...ents, use VMSupport.vmDetails(). On Oracle JDK 1.8.0_40 running on 64-bit Windows (used for all following examples), this method returns
Running 64-bit HotSpot VM.
Using compressed oop with 0-bit shift.
Using compressed klass with 3-bit shift.
Objects are 8 bytes aligned.
Field sizes by type: 4, 1...
Clang vs GCC - which produces faster binaries? [closed]
...built for Linux with both GCC and Clang,
and with Microsoft's compiler for Windows. The tool, coan, is a preprocessor
and analyser of C/C++ source files and codelines of such: its
computational profile majors on recursive-descent parsing and file-handling.
The development branch (to which these re...