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How to set the environmental variable LD_LIBRARY_PATH in linux
I have first executed the command: export LD_LIBRARY_PATH=/usr/local/lib
10 Answers
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When should I use Lazy?
...e cost.
Usually this is preferable when the object may or may not be used and the cost of constructing it is non-trivial.
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There is no ListBox.SelectionMode=“None”, is there another way to disable selection in a listbox?
...ox, you could use ItemsControl instead. It places items in the ItemsPanel and doesn't have the concept of selection.
<ItemsControl ItemsSource="{Binding MyItems}" />
By default, ItemsControl doesn't support virtualization of its child elements. If you have a lot of items, virtualization can ...
How to manually deprecate members
...the platform from which it was introduced, deprecated, obsoleted, renamed, and a message :
@available(iOS, deprecated:6.0)
func myFunc() {
// calling this function is deprecated on iOS6+
}
Or
@available(iOS, deprecated: 6.0, obsoleted: 7.0, message: "Because !")
func myFunc() {
// deprec...
How do I check for a network connection?
... This doesn't always work in WPF. Some laptops return false and some return true
– krilovich
Feb 10 '16 at 17:21
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slashes in url variables
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This is the standard URL encoding.
– SLaks
Jun 7 '10 at 19:03
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Two submit buttons in one form
...g by the name is safer, as it is a value that is not displayed to the user and therefore can be treated more as a "private" variable and less as a message to users.
– sfarbota
Sep 5 '17 at 21:40
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How to check if a string “StartsWith” another string?
...h.
Once you've shimmed the method (or if you're only supporting browsers and JavaScript engines that already have it), you can use it like this:
"Hello World!".startsWith("He"); // true
var haystack = "Hello world";
var prefix = 'orl';
haystack.startsWith(prefix); // false
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How do you include additional files using VS2010 web deployment packages?
...esting out using the new web packaging functionality in visual studio 2010 and came across a situation where I use a pre-build event to copy required .dll's into my bin folder that my app relies on for API calls. They cannot be included as a reference since they are not COM dlls that can be used wit...
How to increase font size in a plot in R?
.... What is the right way to increase font size of text in the title, labels and other places of a plot?
7 Answers
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