大约有 23,000 项符合查询结果（耗时：0.0407秒） [XML]
Reading Xml with XmlReader in C#
...from this blog post):
static IEnumerable<XElement> SimpleStreamAxis(string inputUrl,
string elementName)
{
using (XmlReader reader = XmlReader.Create(inputUrl))
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.Nod...
django template display item value or empty string
...lt_if_none template filter, (doc).
default_if_none will display the given string if the variable is 'None'.
default will display the string if the variable evaluates to False, ie empty strings, empty lists etc
{{ item.somefield|default_if_none:"" }}
{{ item.somefield|default:"" }}
...
How to set a default entity property value with Hibernate
...nullable = false, columnDefinition = "int default 100")
Notice that the string in columnDefinition is database dependent. Also if you choose this option, you have to use dynamic-insert, so Hibernate doesn't include columns with null values on insert. Otherwise talking about default is irrelevant....
Clear Application's Data Programmatically
... (ActivityManager)activity.getSystemService(Context.ACTIVITY_SERVICE);
String myProcessPrefix = activity.getApplicationInfo().processName;
String myProcessName = activity.getPackageManager().getActivityInfo(activity.getComponentName(), 0).processName;
for (ActivityManager.RunningAppProce...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
...
'Greedy' means match longest possible string.
'Lazy' means match shortest possible string.
For example, the greedy h.+l matches 'hell' in 'hello' but the lazy h.+?l matches 'hel'.
share...
Select which href ends with some string
... can use the built-in method querySelectorAll instead. Almost all selector strings used for jQuery work with DOM methods as well:
const anchors = document.querySelectorAll('a[href$="ABC"]');
Or, if you know that there's only one matching element:
const anchor = document.querySelector('a[href$="A...
How do I overload the [] operator in C# [duplicate]
...e. Can it be done in an interface? interface ICache { object this[string key] { get; set; } } Edit: Yes.
– Michael
Sep 19 '12 at 20:45
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How to get the concrete class name as a string? [duplicate]
...ing for a way to get the concrete class name for an instance variable as a string.
3 Answers
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Replace spaces with dashes and make all letters lower-case
I need to reformat a string using jQuery or vanilla JavaScript
5 Answers
5
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How do I update the element at a certain position in an ArrayList? [duplicate]
I have one ArrayList of 10 String s. How do I update the index 5 with another String value?
5 Answers
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