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Linux C++ 单元测试与gcov代码覆盖率统计 - C/C++ - 清泛网 - 专注C/C++及内核技术
...--rc lcov_branch_coverage=1 -r xxx.tmp '/usr/include/*' '*lib/*' -o xxx
Demo shell:
g++ --coverage demo.cpp # demo.gcno
./a.out # demo.gcda
gcov demo # demo.cpp.gcov
cat demo.cpp.gcov
lcov --rc lcov_branch_coverage=1 -c -d . -o demo_lcov_report
#all
#genhtml --rc genhtml_branch_cover...
Read file data without saving it in Flask
...
image = request.files['photo']
image_string = base64.b64encode(image.read())
image_string = image_string.decode('utf-8')
#use this to remove b'...' to get raw string
return render_template('handleUpload.html',filestring = image_string)...
Convert timestamp to date in MySQL query
... format use date_format
date_format(registration, '%Y-%m-%d')
SQLFiddle demo
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Using GPU from a docker container?
...ainer-toolkit package as per official documentation at Github.
For Redhat based OSes, execute the following set of commands:
$ distribution=$(. /etc/os-release;echo $ID$VERSION_ID)
$ curl -s -L https://nvidia.github.io/nvidia-docker/$distribution/nvidia-docker.repo | sudo tee /etc/yum.repos.d/nvid...
Height equal to dynamic width (CSS fluid layout) [duplicate]
...port width.
vw : 1/100th of the width of the viewport. (Source MDN)
DEMO
HTML:
<div></div>
CSS for a 1:1 aspect ratio:
div{
width:80vw;
height:80vw; /* same as width */
}
Table to calculate height according to the desired aspect ratio and width of element.
asp...
How to validate an e-mail address in swift?
...
let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
return emailPred.evaluate(with: email)
}
for versions of Swift earlier than 3.0:
func isValidEmail(email: String) -> Bool {
let emailRe...
Javascript - sort array based on another array
Is it possible to sort and rearrange an array that looks like this:
21 Answers
21
...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...eg locations may be OS-dependent. I collected this info from a Windows 10 x64 box. I'm just going to go ahead and dump all of these redist versions and the reg keys I search for to detect installation.:
Visual C++ 2005
Microsoft Visual C++ 2005 Redistributable (x64)
Registry Key: HKLM\SOFTWARE\C...
How can I find the version of the Fedora I use?
...
[Belmiro@HP-550 ~]$ uname -a
Linux HP-550 2.6.30.10-105.2.23.fc11.x86_64 #1 SMP Thu Feb 11 07:06:34 UTC 2010
x86_64 x86_64 x86_64 GNU/Linux
[Belmiro@HP-550 ~]$ lsb_release -a
LSB Version: :core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:deskt
op-3.1-amd64:desktop-3.1-noarch:des...
What is the most effective way for float and double comparison?
...t the Google C++ Testing Framework contains a nice cross-platform template-based implementation of AlmostEqual2sComplement which works on both doubles and floats. Given that it is released under the BSD license, using it in your own code should be no problem, as long as you retain the license. I ext...