大约有 48,000 项符合查询结果(耗时:0.0614秒) [XML]

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Edit the root commit in Git?

...t Then the root commit will show up in the rebase TODO list, and you can select to edit or reword it: reword <root commit sha> <original message> pick <other commit sha> <message> ... This is the explanation of --root from the Git rebase docs (emphasis mine): Rebase ...
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SQlite Getting nearest locations (with latitude and longitude)

... this seems to work cursor = db.getReadableDatabase().rawQuery("Select nome, id as _id, " + "( " + latitude + " - lat) * ( " + latitude +"- lat) + ( " + longitude + "- lon) * ( " + longitude + "- lon) * " + fudge + " as distanza " + " from cliente "+ " order by distanza asc", null); ...
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Difference between numpy.array shape (R, 1) and (R,)

...bine or even expand them. M=np.arange(9).reshape(3,3) M[:,0].shape # (3,) selects one column, returns a 1d array M[0,:].shape # same, one row, 1d array M[:,[0]].shape # (3,1), index with a list (or array), returns 2d M[:,[0,1]].shape # (3,2) In [20]: np.dot(M[:,0].reshape(3,1),np.ones((1,3))) Out...
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showDialog deprecated. What's the alternative?

...rride public void onDateSet(DatePicker datepicker, int selectedyear, int selectedmonth, int selectedday) { ed_date.setText(new StringBuilder().append(year).append("-").append(month+1).append("-").append(day)); ...
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Entity Framework 4 vs NHibernate [closed]

...query, it can only load data from one table (So if you have Order.Product, SELECT * FROM order LEFT JOIN Product will initialize only Order object, Product will remain null, thought all necessary data is fetched in query to init it ). This can be overcome by using EFExtensions community add-on, but...
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How to get first N elements of a list in C#?

... Except that you're now ordering only the first 5 elements after you've selected them. It may be faster, but it also has different semantics, which are less likely to be what people actually want to achieve. – Greg Beech Nov 26 '08 at 9:01 ...
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Why don't structs support inheritance?

...hat short[] can't be converted to int[] (short of conversion code, like 'a.Select(x => (int) x).ToArray()'). If the runtime disallowed the cast from Base to Derived, it would be a "wart", as that IS allowed for reference types. So we have two different "warts" possible -- forbid struct inherita...
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浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 慢的原因是因为执行了两条 Database dt_manager_log-select 语句。还有更详细的的,看看是怎么调用的 清晰的看到具体的语句,是怎么调用, 很明显这就是一个查询语句而查询的速度这么慢肯定是不正常的 接...
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Fragment transaction animation: slide in and slide out

...iner); View list_container = findViewById(R.id.list_container); // You can select the direction left/right/up/down and the duration CustomAnimator.slide(list_container, details_container,CustomAnimator.DIRECTION_LEFT, 400); You can use the function CustomAnimator.reversePrevious();to get the previ...
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Threading in a PyQt application: Use Qt threads or Python threads?

...have you considered non-blocking I/O using Twisted or non-blocking sockets/select? EDIT: more on threads Python threads Python's threads are system threads. However, Python uses a global interpreter lock (GIL) to ensure that the interpreter is only ever executing a certain size block of byte-code...