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`require': no such file to load — mkmf (LoadError)
I was trying to install rails on Ubuntu Natty Narwhal 11.04, using ruby1.9.1.
10 Answers
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Show which git tag you are on?
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edited Jul 21 '16 at 4:27
Tim
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answered Aug ...
How to Get the Current URL Inside @if Statement (Blade) in Laravel 4?
I am using Laravel 4. I would like to access the current URL inside an @if condition in a view using the Laravel's Blade templating engine but I don't know how to do it.
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Is there a way to break a list into columns?
...er 9 or older: http://caniuse.com/multicolumn
ul {
-moz-column-count: 4;
-moz-column-gap: 20px;
-webkit-column-count: 4;
-webkit-column-gap: 20px;
column-count: 4;
column-gap: 20px;
}
See: http://jsfiddle.net/pdExf/
If IE support is required, you'll have to use JavaScript...
How to tell which version of a gem a rails app is using
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In Rails 3 and Rails 4, use bundle show
In Rails 2, rake gems will print out what gems, dependencies, and versions are installed, frozen, etc.
share
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Remove unwanted parts from strings in a column
...miroeumiro
165k2626 gold badges267267 silver badges248248 bronze badges
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Python script to copy text to clipboard [duplicate]
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edited Oct 4 '18 at 17:15
vauhochzett
55544 silver badges2020 bronze badges
answered Jun ...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
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Hardware
If a GPU device has, for example, 4 multiprocessing units, and they can run 768 threads each: then at a given moment no more than 4*768 threads will be really running in parallel (if you planned more threads, they will be waiting their turn).
Software
thre...
Reset select2 value and show placeholder
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244
You must define the select2 as
$("#customers_select").select2({
placeholder: "Select a cus...
App Inventor 2 构建纯血鸿蒙 HarmonyOS App · App Inventor 2 中文网
...签名证书
Step 3：创建 Profile 配置文件
Step 4：上传证书到 App Inventor
四、如何测试
4.1 测试环境对比
4.2 模拟器测试（无需签名）
4.3 真机测试（Debug签名）
Step 1：获...