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Record file copy operation with Git
...cking in a range. Git log allows a range argument (git log -L123,456:file.xyz) that properly follows renames, but not copies, and you can't pass --follow in that case; also, AFAICT, this doesn't work with git blame.
– Clément
Jan 10 at 20:48
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内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...极低的成本检测内存问题。通过少量的实践和适当的文本搜索，您能够快速验证平衡的 *alloc() 和 free() 或者 new 和 delete 的源主体。人工查看此类内容通常会出现像清单 7 中一样的问题。
清单 7. 棘手的内存泄漏
static char *imp...
instantiate a class from a variable in PHP?
...ame into a variable first:
$classname=$var.'Class';
$bar=new $classname("xyz");
This is often the sort of thing you'll see wrapped up in a Factory pattern.
See Namespaces and dynamic language features for further details.
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
... 开通VIP 搜索 App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎
SQLite 拓展
SQLite
...
Where to place and how to read configuration resource files in servlet based application?
... application I have to send email to set of predefined users like finance@xyz.com , so I wish to add that to a .properties file and access it when required. Is this a correct procedure, if so then where should I place this file? I am using Netbeans IDE which is having two separate folders for sou...
Creating an empty Pandas DataFrame, then filling it?
...ataFrame(columns=['A', 'B', 'C'])
df = df.append({'A': 1, 'B': 12.3, 'C': 'xyz'}, ignore_index=True)
df.dtypes
A object # yuck!
B float64
C object
dtype: object
Dealing with object columns is never a good thing, because pandas cannot vectorize operations on those columns. You will nee...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...ered Nov 13 '15 at 14:21
conner.xyzconner.xyz
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Rollback a Git merge
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How to avoid Mainline was specified but commit 1234xyz is not a merge error.
– Achal
Jan 17 at 11:46
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show 2 more c...
Why should eval be avoided in Bash, and what should I use instead?
... data is any data that has not been rewritten as safe-for-use-in-situation-XYZ; in our case, it's any string that has not been formatted so as to be safe for evaluation.
Sanitizing data appears easy at first glance. Assuming we're throwing around a list of options, bash already provides a great wa...
What is the exact problem with multiple inheritance?
...ass A:
at offset 0 ... "abc" ... 4 byte int field
at offset 4 ... "xyz" ... 8 byte double field
at offset 12 ... "speak" ... 4 byte function pointer
class B:
at offset 0 ... "foo" ... 2 byte short field
at offset 2 ... 2 bytes of alignment padding
at offset 4 ... "bar" ... 4...