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Remove empty strings from a list of strings
I want to remove all empty strings from a list of strings in python.
12 Answers
12
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Set default syntax to different filetype in Sublime Text 2
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Edit the new Makefile.tmLanguage by adding the "firstLineMatch" key and string after the "fileTypes" section. In the example below, the last two lines are new (should be added by you). The <string> section holds the regular expression, that will enable syntax highlighting for the files that...
Easy way to turn JavaScript array into comma-separated list?
I have a one-dimensional array of strings in JavaScript that I'd like to turn into a comma-separated list. Is there a simple way in garden-variety JavaScript (or jQuery) to turn that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if...
How to manage REST API versioning with spring?
...ngHandlerMapping extends RequestMappingHandlerMapping {
private final String prefix;
public ApiVersionRequestMappingHandlerMapping(String prefix) {
this.prefix = prefix;
}
@Override
protected RequestMappingInfo getMappingForMethod(Method method, Class<?> handlerT...
Why is a ConcurrentModificationException thrown and how to debug it
...his will throw a ConcurrentModificationException when the it.hasNext() is called the second time.
The correct approach would be
Iterator it = map.entrySet().iterator();
while (it.hasNext())
{
Entry item = it.next();
it.remove();
}
Assuming this iterator supports the remo...
How to check if a file exists in Documents folder?
... if it was a main application you'll have access to the entire file system and you'll use the shared Documents directory. If you install it via iTunes or XCode you'll be using your applications' personal directory. It's nice to store files in your local directory for backup purposes.
...
Naming of ID columns in database tables
...e wrong records.
If you would like to use the USING syntax that some dbs allow, you cannot if you use ID.
If you use ID you can easily end up with a mistaken join if you happen to be copying the join syntax (don't tell me that no one ever does this!)and forget to change the alias in the join con...
Search for a string in Enum and return the Enum
...iteration and realised it wasn't quite right because Enum.GetNames returns strings. You want Enum.GetValues:
public MyColours GetColours(string colour)
{
foreach (MyColours mc in Enum.GetValues(typeof(MyColours)))
if (mc.ToString() == surveySystem)
return mc;
return MyColors.Def...
Is std::unique_ptr required to know the full definition of T?
...s. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for this is to support idioms such as pimpl using smart pointers, and without risking undefined behavior.
Undefined behavior can occur when you h...
What characters do I need to escape in XML documents?
... library, they will do the escaping for you. Many XML issues are caused by string concatenation.
XML escape characters
There are only five:
" &quot;
' &apos;
< &lt;
> &gt;
& &amp;
Escaping characters depends on where the special character is used.
The ex...