大约有 42,000 项符合查询结果（耗时：0.0774秒） [XML]
Store a closure as a variable in Swift
...
The compiler complains on
var completionHandler: (Float)->Void = {}
because the right-hand side is not a closure of the appropriate signature, i.e. a closure taking
a float argument. The following would assign a "do nothing" closure to the
completion handler:
var completionHandler:...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
... instead of doing something like mongooseInstace.model('MyCollection', { "_id": Number, "xyz": String }) it's better to do (even though the collection name is really MyCollection): mongooseInstace.model('mycollection', { "_id": Number, "xyz": String })
But honestly, it's really useful. The biggest...
MySQL Select minimum/maximum among two (or more) given values
...AS `date0`,LEAST(A.date0, B.date0) AS `date1`
FROM A
JOIN B
ON A.id = B.role;
share
|
improve this answer
|
follow
|
...
Store boolean value in SQLite
...ase specific values e.g.
CREATE TABLE IF NOT EXISTS "boolean_test"
(
"id" INTEGER PRIMARY KEY AUTOINCREMENT
, "boolean" TEXT NOT NULL
CHECK( typeof("boolean") = "text" AND
"boolean" IN ("TRUE","FALSE")
)
);
INSERT INTO "boolean_test" ("boolean") VALUES ("TRUE"...
How can I use Guzzle to send a POST request in JSON?
... @MichalGallovic It is the same. The purpose to use the constant is to avoid typos. Using a constant that does not exists will raise an error, but sending a useless option (as jsson for example) won't raise any error, and you may take some time to find your typo.
– zessx
...
How to select option in drop down protractorjs e2e tests
...lly wrote a helper function that selects dropdown values.
I eventually decided that I was fine selecting by option number, and therefore wrote a method that takes an element and the optionNumber, and selects that optionNumber. If the optionNumber is null it selects nothing (leaving the dropdown un...
Has anyone ever got a remote JMX JConsole to work?
...erver.hostname=localhost ch.sushicutta.jmxremote.Main
4. Get Process-Id of your Java Process
ps -ef | grep <java-processname>
result ---> <process-id>
Example:
ps -ef | grep ch.sushicutta.jmxremote.Main
result ---> 24321
5. Find arbitrary Port for RMIServer stubs ...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...how much time does the clock wrap around? Or is there some mechanism to avoid this?
Is the clock monotonic, or will it change with changes in the system time (via NTP, time zone, daylight savings time, by the user, etc.)?
How do the above vary between implementations?
Is the specific function obsole...
Integrating the ZXing library directly into my Android application
...ed to make a standalone barcode scanner (as a proof of concept) to an Android 1.6 phone.
17 Answers
...
How to set the part of the text view is clickable
I have the text " Android is a Software stack ". In this text i want to set the " stack " text is clickable. in the sense if you click on that it will redirected to a new activity(not in the browser).
...