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How to change a command line argument in Bash?
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152
You have to reset all arguments. To change e.g. $3:
$ set -- "${@:1:2}" "new" "${@:4}"
Basi...
[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
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I am using VS2013, MVC 5.2.2.0, Web Api 2. I have just changed the all versions from 2.0.0.0 to 3.0.0.0 of the following section of Web.config resides inside the View folder of my project.
<configSections>
<sectionGroup name="syst...
Determine device (iPhone, iPod Touch) with iOS
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31 Answers
31
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Bash set +x without it being printed
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147
I had the same problem, and I was able to find a solution that doesn't use a subshell:
set -x...
How can I replace a regex substring match in Javascript?
That replaces the entire string str with 1 . I want it to replace the matched substring instead of the whole string. Is this possible in Javascript?
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Uninstall old versions of Ruby gems
...# choose which ones you want to remove
gem uninstall rjb
# remove version 1.1.9 only
gem uninstall rjb --version 1.1.9
# remove all versions less than 1.3.4
gem uninstall rjb --version '<1.3.4'
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leading zeros in rails
...min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00".
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iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]
...under the Summary section, look for Launch Images. The image has to be 640x1136 pixels in size. Here's a screenshot of where to find it, if that helps.
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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...题首先看如下代码：int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码：
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
printf("%d,%d\n", *(a+1), *(ptr-1));
return 0...
Five equal columns in twitter bootstrap
...nd how the 5 column grid is being used here:
http://web.archive.org/web/20120416024539/http://domain7.com/mobile/tools/bootstrap/responsive
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