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How does BLAS get such extreme performance?
...e optimization. This boost significantly exceeds the second boost from parallelism and other hardware optimizations.
By the way, most (or even all) of the high performance BLAS implementations are NOT implemented in Fortran. ATLAS is implemented in C. GotoBLAS/OpenBLAS is implemented in C and i...
How to allocate aligned memory only using the standard library?
...
Original answer
{
void *mem = malloc(1024+16);
void *ptr = ((char *)mem+16) & ~ 0x0F;
memset_16aligned(ptr, 0, 1024);
free(mem);
}
Fixed answer
{
void *mem = malloc(1024+15);
void *ptr = ((uintptr_t)mem+15) & ~ (uintptr_t)0x0...
How to print a stack trace in Node.js?
...l which stack does not. The info is in the error object if you want to manually create that line I guess.
– studgeek
Aug 30 '12 at 16:54
132
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Generate a heatmap in MatPlotLib using a scatter data set
...50 heatmap. If you want, say, 512x384, you can put bins=(512, 384) in the call to histogram2d.
Example:
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Navigation bar appear over the views with new iOS7 SDK
...o! The space your navigation bar takes up should be accounted for automatically
if ([self respondsToSelector:@selector(edgesForExtendedLayout)])
self.edgesForExtendedLayout = UIRectEdgeNone;
You need add the above in your -(void)viewDidLoad method.
Note: You should be using the latest GM...
Simple tool to 'accept theirs' or 'accept mine' on a whole file using git
...ery simple. git checkout <filename> tries to check out file from the index, and therefore fails on merge.
What you need to do is (i.e. checkout a commit):
To checkout your own version you can use one of:
git checkout HEAD -- <filename>
or
git checkout --ours -- <filename>
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How to store Java Date to Mysql datetime with JPA
...w java.sql.Timestamp(timeNow);
...
preparedStatement.setTimestamp(TIME_COL_INDEX, ts);
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In Python, when should I use a function instead of a method?
...sulation which is so dear to OO design.
The encapsulation principal is really what this comes down to: as a designer you should hide everything about the implementation and class internals which it is not absolutely necessarily for any user or other developer to access. Because we deal with instan...
图像分类 · App Inventor 2 中文网
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将事件参数 result 接到 选择列表项 的 list 槽。
在 index 槽填入数字 1，表示选择列表中的第一项。
这样，标签会显示模型认为最可能的分类。不要把结果理解成确定答案；例如键盘可能被误认为其他形状相似的物体。
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Get full path of the files in PowerShell
I need to get all the files including the files present in the subfolders that belong to a particular type.
14 Answers
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