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Fastest way to reset every value of std::vector to 0
What's the fastest way to reset every value of a std::vector<int> to 0 and keeping the vectors initial size ?
6 An...
Get file name from URI string in C#
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Also beware of a querystring. http://www.test.com/file1.txt?a=b will result in file1.txt?a=b
– Julian
Mar 10 '15 at 12:44
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How to split data into training/testing sets using sample function
...e(seq_len(nrow(mtcars)), size = smp_size)
train <- mtcars[train_ind, ]
test <- mtcars[-train_ind, ]
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Cartesian product of x and y array points into single array of 2D points
... are faster than others, and some are more general-purpose. After a lot of testing and tweaking, I've found that the following function, which calculates an n-dimensional cartesian_product, is faster than most others for many inputs. For a pair of approaches that are slightly more complex, but are e...
How to write to Console.Out during execution of an MSTest test
...appearing is because the backend code is not running in the context of the test.
You're probably better off using Trace.WriteLine (In System.Diagnostics) and then adding a trace listener which writes to a file.
This topic from MSDN shows a way of doing this.
According to Marty Neal's and Dave A...
The point of test %eax %eax [duplicate]
...ly, it sets the zero flag if the difference is zero (operands are equal).
TEST sets the zero flag, ZF, when the result of the AND operation is zero. If two operands are equal, their bitwise AND is zero when both are zero. TEST also sets the sign flag, SF, when the most significant bit is set in the...
How to automatically generate a stacktrace when my program crashes
...tput, which glibc can use to make a nice stacktrace:
$ gcc -g -rdynamic ./test.c -o test
Executing this gets you this output:
$ ./test
Error: signal 11:
./test(handler+0x19)[0x400911]
/lib64/tls/libc.so.6[0x3a9b92e380]
./test(baz+0x14)[0x400962]
./test(bar+0xe)[0x400983]
./test(foo+0xe)[0x400993...
Local (?) variable referenced before assignment [duplicate]
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In order for you to modify test1 while inside a function you will need to do define test1 as a global variable, for example:
test1 = 0
def testFunc():
global test1
test1 += 1
testFunc()
However, if you only need to read the global variable ...
C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...台。使用步骤如下：
1、定义一个.proto数据结构文件，如test.proto：
syntax = "proto3";
package google.protobuf;
option csharp_namespace = "Google.Protobuf.WellKnownTypes";
option cc_enable_arenas = true;
option go_package = "google.golang.org/protobuf/types/known/test...
How to set environment variables from within package.json
...iable in the script command:
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"scripts": {
"start": "node app.js",
"test": "NODE_ENV=test mocha --reporter spec"
},
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Then use process.env.NODE_ENV in your app.
Note: This is for Mac & Linux only. For Windows refer to the comments.
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