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snprintf and Visual Studio 2010
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Short story: Microsoft has finally implemented snprintf in Visual Studio 2015. On earlier versions you can simulate it as below.
Long version:
Here is the expected behavior for snprintf:
int snprintf( char* buffer, std::size_t buf_size, const char* format, ... );
Wr...
Simultaneously merge multiple data.frames in a list
..., by = "i")
# A tibble: 3 x 4
# i j k l
# <chr> <int> <int> <int>
# 1 a 1 NA 9
# 2 b 2 4 NA
# 3 c 3 5 7
You can also perform other joins, such as a full_join or inner_join:
list(x, y, z) %>% reduce(full_join, by = "i...
Retrieve a Fragment from a ViewPager
...r(FragmentManager fm) {
super(fm);
}
@Override
public int getCount() {
return ...;
}
@Override
public Fragment getItem(int position) {
return MyFragment.newInstance(...);
}
@Override
public Object instantiateItem(ViewGroup container, in...
android EditText - finished typing event
...er() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_SEARCH ||
actionId == EditorInfo.IME_ACTION_DONE ||
event != null &&
event....
How do you do a deep copy of an object in .NET? [duplicate]
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Event subscribes are included into serialization graph, since BinaryFormatter uses fields via reflection, and events are just fields of delegate types plus add/remove/invoke methods. You can use [field: NonSerialized] on event to avoid this.
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Combine two ActiveRecord::Relation objects
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Relation objects can be converted to arrays. This negates being able to use any ActiveRecord methods on them afterwards, but I didn't need to. I did this:
name_relation = first_name_relation + last_name_relation
Ruby 1.9, rails 3.2
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How to programmatically round corners and set random background colors
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Consider using PaintDrawable instead of GradientDrawable. It supports rounded corners and just a single color which seems to be more appropriate than a gradient.
– Cimlman
Mar 16 '16 at 15:45
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How to overcome TypeError: unhashable type: 'list'
...the other answers, the error is to due to k = list[0:j], where your key is converted to a list. One thing you could try is reworking your code to take advantage of the split function:
# Using with ensures that the file is properly closed when you're done
with open('filename.txt', 'rb') as f:
d = ...
Why doesn't Java support unsigned ints?
Why doesn't Java include support for unsigned integers?
16 Answers
16
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...插入列
m_list.InsertColumn( 1, "NAME", LVCFMT_LEFT, 50 );
int nRow = m_list.InsertItem(0, "11"); //插入行
m_list.SetItemText(nRow, 1, "jacky"); //设置数据
4. 一直选中item
选中style中的Show selection always，或者在上面第2点中设置LVS_SHOWSELA...