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Apply .gitignore on an existing repository already tracking large number of files
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Does this end up losing the history for the files when you remove and re-add them
– Aran Mulholland
Feb 28 '17 at 12:59
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How do I print a double value with full precision using cout?
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You can set the precision directly on std::cout and use the std::fixed format specifier.
double d = 3.14159265358979;
cout.precision(17);
cout << "Pi: " << fixed << d << endl;
You can #include <limits> to get the maximum precision of a float or double.
#include ...
HAXM 安装/启动失败？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
...t;GET /echeck/ HTTP/1.1" 200 39
handleCpuAcceleration: feature check for hvf
emulator: ERROR: x86_64 emulation currently requires hardware acceleration!
CPU acceleration status: Unable to open HAXM device: ERROR_FILE_NOT_FOUND
More info on configuring VM acceleration on Windows:
https://de...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an ...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an unexpected keyword argument '_job'进入项目spiders目录, 修改 spider py 文件（你自己的spider的主文件）：def __init__(self):改为：def __init__(self, *args, **kwargs):最后不要忘了重新部署一...
Using ChildActionOnly in MVC
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[ChildActionOnly] allowing restricted access via code in View
State Information implementation for specific page URL.
Example: Payment Page URL (paying only once)
razor syntax allows to call specific actions conditional
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How to format a java.sql Timestamp for displaying?
How do I formate a java.sql Timestamp to my liking ? ( to a string, for display purposes)
7 Answers
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Co-variant array conversion from x to y may cause run-time exception
... of the derived type. The reference is via an array of the base type. Therefore, it is compile time legal to assign an element to it of the base type. Yet the runtime type would not support it.
– Anthony Pegram
Jan 2 '12 at 19:21
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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
...your tables use the InnoDB engine. In that case you would have to drop the foreign key, and then do the alter table and drop the column.
But the tricky part is that you can't drop the foreign key using the column name, but instead you would have to find the name used to index it. To find that, issu...
How can I use xargs to copy files that have spaces and quotes in their names?
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@QuentinPradet Obviously, for a fixed string like "FooBar", -name or -path work just fine. The OP has specified the use of grep, presumably because they want to filter the list using regular expressions.
– Chris Jester-Young
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How to load a xib file in a UIView
I have been searching everywhere and nothing so far has worked for me.
7 Answers
7
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