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How to declare a type as nullable in TypeScript?
...ptional which is different from nullable.
interface Employee1 {
name: string;
salary: number;
}
var a: Employee1 = { name: 'Bob', salary: 40000 }; // OK
var b: Employee1 = { name: 'Bob' }; // Not OK, you must have 'salary'
var c: Employee1 = { name: 'Bob', salary: undefined }; // OK
var d:...
Mod in Java produces negative numbers [duplicate]
...om, then the branch prediction penalty will cost more clock cycles than an extra remainder calculation on most CPUs. Or, if you want to conditionally add a value based on whether an int is negative or not, try (maybeNegative >> 31) ^ thingToMaybeAdd + thingToAddTo
– Scot...
Could not locate Gemfile
...ne-2.2.2-0/apps/redmine
bash-4.2$ cd htdocs/
bash-4.2$ ls
app config db extra Gemfile lib plugins Rakefile script tmp
bin config.ru doc files Gemfile.lock log public README.rdoc test vendor
bash-4.2$ cd plugins/
bash-4.2$ bundle install
Using rake (0.9.2.2)
Using i18n (0.6....
How to insert values into C# Dictionary on instantiation?
...Dictionary when I create it? I can, but don't want to, do
dict.Add(int, "string") for each item if there is something more efficient like:
...
Why can't I use Docker CMD multiple times to run multiple services?
...our Dockerfile a little bit cleaner, you could put your CMD commands to an extra file:
FROM centos+ssh
EXPOSE 22
EXPOSE 4149
CMD sh /home/centos/all_your_commands.sh
And a file like this:
service sshd start &
/opt/mq/sbin/rabbitmq-server start
...
Search text in stored procedure in SQL Server
...ike '%\[ABD\]%' ESCAPE '\'
Then the square brackets will be treated as a string literals not as wild cards.
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Deserializing JSON data to C# using JSON.NET
...
Use
var rootObject = JsonConvert.DeserializeObject<RootObject>(string json);
Create your classes on JSON 2 C#
Json.NET documentation: Serializing and Deserializing JSON with Json.NET
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PostgreSQL return result set as JSON array?
...t list like SELECT json_agg((column1, column2, ...)) FROM t - notice the extra brackets. This may not be obvious "out of the box".
– jave.web
Oct 30 '19 at 20:16
...
Modify request parameter with servlet filter
... are the characters allowed by the Javascript validation */
static String allowedChars = "+-0123456789#*";
public FilteredRequest(ServletRequest request) {
super((HttpServletRequest)request);
}
public String sanitize(String input) {
String re...
Correct way to pass multiple values for same parameter name in GET request
...ndard. To support that information, have a look at wikipedia, in the Query String chapter. There is the following comment:
While there is no definitive standard, most web frameworks allow
multiple values to be associated with a single field.[3][4]
Furthermore, when you take a look at the RFC...