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Proper way to rename solution (and directories) in Visual Studio
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Manually edit .sln file
This method is entirely aimed at renaming the directory for the project, as viewed in Windows Explorer.
This method does not suffer from the problems in the Remove/add project file method below (referenc...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...00000000040ED948]:
# tracemem[00000000040ED948 -> 00000000040ED830]: .Call copy $<-.data.table $<-
.Internal(inspect(DT))
# @0000000003B7E2A0 19 VECSXP g0c7 [OBJ,NAM(2),TR,ATT] (len=2, tl=100)
# @00000000040C2288 14 REALSXP g0c2 [NAM(2)] (len=2, tl=0) 1,2
# @00000000040C2250 14 REALS...
How to upgrade rubygems
I need to upgrade gems to 1.8 i tried installing the respective debian packages but it seems its not getting upgraded
8 An...
Colorizing text in the console with C++
...n I write colored text to the console with C++? That is, how can I write different text with different colors?
12 Answers
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Match two strings in one line with grep
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To search for files containing all the words in any order anywhere:
grep -ril \'action\' | xargs grep -il \'model\' | xargs grep -il \'view_type\'
The first grep kicks off a recursive search (r), ignoring case (i) and listing (printing out) the name of ...
How to extract a string using JavaScript Regex?
I'm trying to extract a substring from a file with JavaScript Regex. Here is a slice from the file :
5 Answers
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Simple way to transpose columns and rows in SQL?
...u do not have access to those functions this can be replicated using UNION ALL to UNPIVOT and then an aggregate function with a CASE statement to PIVOT:
Create Table:
CREATE TABLE yourTable([color] varchar(5), [Paul] int, [John] int, [Tim] int, [Eric] int);
INSERT INTO yourTable
([color], [Pa...
error: ‘std::ios_base::ios_base(const std::ios_base&)’ is private ...
error: ‘std::ios_base::ios_base(const std::ios_base&)’ is private ios_base(const ios_base&); synthesized method ‘std::basic_ostream::basic_ostream(const std::basic_ostream&)’ first required here这个错误的原因大概是std::ios_base类的拷贝构造函数是私有的，从retu...
Picture Control(图片控件)中静态显示位图，解决位图不显示的问题 - C/C++ ...
Picture Control(图片控件)中静态显示位图，解决位图不显示的问题Picture Control(图片控件)中静态显示位图，如果出现不显示的问题，可以再手动调一下ShowWindow方法，一般就OK了。Picture Control(图片控件)中静态显示位图，代码如下：
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手把手教你用Strace诊断问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，如有雷同，实属必然！让我们看一台高负载服务器的 top 结果：
top
技巧：运行 top 时，按「1」打开 CPU 列表，按「shift+p」以 CPU 排序。
在本例中大家很容易发现 CPU 主要是被若干个 PHP 进程占用了，同时 PHP 进程占用的比...