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Is there any Rails function to check if a partial exists?
...orks, but the calling convention doesn't work with the single partial name string, instead it takes template_exists?(name, prefix, partial)
To check for partial on path:
app/views/posts/_form.html.slim
Use:
lookup_context.template_exists?("form", "posts", true)
...
Why do some functions have underscores “__” before and after the function name?
...dler, ThreadableMixin):
def _worker(self):
self.res = self.render_string("template.html",
title = _("Title"),
data = self.application.db.query("select ... where object_id=%s", self.object_id)
)
...
...
What does the variable $this mean in PHP?
...
$jack = new Person('Jack');
echo $jack->name;
This stores the 'Jack' string as a property of the object created.
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What is the best way to dump entire objects to a log in C#?
... ObjectDumper is now available. It also provides an extension method DumpToString and Dump to Object class. Handy.
– IsmailS
Jun 17 '15 at 9:43
2
...
Vertical line using XML drawable
...u can use a negative margin in your layout xml to get rid of the undesired extra space.
Such as:
<ImageView
android:layout_width="35dp"
android:layout_height="35dp"
android:layout_marginLeft="-15dp"
android:layout_marginRight="-15dp"
android:src="@drawable/dashed_vertical_lin...
How to filter out files by extension in NERDTree?
...nageable.
NERDTree has a mechanism to detect and highlight files with the extra execute bit, where -rwxr-xr-x displays in bold with a "*" at the end of the filename. It would not be hard to add an extra mechanism to hide executable files (useful for compiled stuff, not so desirable for scripts).
...
Get Enum from Description attribute [duplicate]
...static class EnumEx
{
public static T GetValueFromDescription<T>(string description) where T : Enum
{
foreach(var field in typeof(T).GetFields())
{
if (Attribute.GetCustomAttribute(field,
typeof(DescriptionAttribute)) is DescriptionAttribute attr...
How to have comments in IntelliSense for function in Visual Studio?
In Visual Studio and C#, when using a built in function such as ToString(), IntelliSense shows a yellow box explaining what it does.
...
Calling dynamic function with dynamic number of parameters [duplicate]
...ith arbitrary functions, pass the function itself instead of its name as a string:
function dispatch(fn, args) {
fn = (typeof fn == "function") ? fn : window[fn]; // Allow fn to be a function object or the name of a global function
return fn.apply(this, args || []); // args is optional, u...
How did Google manage to do this? Slide ActionBar in Android application
...
}
static class MenuDesc {
public int icon;
public String label;
}
public SlideMenuAdapter(Activity act, SlideMenu.SlideMenuAdapter.MenuDesc[] items) {
super(act, R.id.menu_label, items);
this.act = act;
this.items = items;
}
@Overr...