大约有 46,000 项符合查询结果(耗时:0.0553秒) [XML]
Check if a Postgres JSON array contains a string
...one know how this works in case you need to select an integer instead of a string/text?
– Rotareti
Nov 16 '18 at 1:34
3
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JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...t Google),
It recommends that:
Property names must be camelCased, ASCII strings.
The first character must be a letter, an underscore (_) or a dollar sign ($).
Example:
{
"thisPropertyIsAnIdentifier": "identifier value"
}
My team follows this convention.
...
mongoDB/mongoose: unique if not null
...the sparse option to true when defining the index. As in:
email : {type: String, trim: true, index: true, unique: true, sparse: true}
Or in the shell:
db.users.ensureIndex({email: 1}, {unique: true, sparse: true});
Note that a unique, sparse index still does not allow multiple docs with an em...
How do you specify the date format used when JAXB marshals xsd:dateTime?
...ation.adapters.XmlAdapter;
public class DateAdapter extends XmlAdapter<String, Date> {
private final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
@Override
public String marshal(Date v) throws Exception {
synchronized (dateFormat) {
...
How can I access an internal class from an external assembly?
... as a public instance field; to get this via reflection:
object obj = ...
string value = (string)obj.GetType().GetField("test").GetValue(obj);
If it is actually a property (not a field):
string value = (string)obj.GetType().GetProperty("test").GetValue(obj,null);
If it is non-public, you'll ne...
Is there auto type inferring in Java?
... I meant, once you type cast it to an Object, it will give you Object's to_string" False. Absolutely 100% false.
– Louis Wasserman
Apr 21 '13 at 18:33
143
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How to negate the whole regex?
...ow do I convert CamelCase into human-readable names in Java?
Regex for all strings not containing a string?
A regex to match a substring that isn’t followed by a certain other substring.
More examples
These are attempts to come up with regex solutions to toy problems as exercises; they should b...
SQL-Server: Is there a SQL script that I can use to determine the progress of a SQL Server backup or
... the active transactions. The currently running backup(s) will contain the string "BACKUP" in the requestCommand field. The aptly named percentComplete field will give you the progress of the backup.
Note: sp_who2k5 should be a part of everyone's toolkit, it does a lot more than just this.
...
Create a date from day month and year with T-SQL
...yyyymmdd format works regardless of those settings. "A six- or eight-digit string is always interpreted as ymd." docs.microsoft.com/en-us/sql/t-sql/data-types/… See this answer: stackoverflow.com/a/46064419/2266979
– Riley Major
Sep 7 '17 at 16:16
...
Why escape_javascript before rendering a partial?
...ount is that whatever ruby generates must be contained inside a javascript string with double quotes - notice the double quotes around the <%= ... %>. This means that the generated javascript will look like this:
$("#reviews").append("...");
Now let's examine the ruby part inside the <%=...
