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There is already an open DataReader associated with this Command which must be closed first
I have this query and I get the error in this function:
18 Answers
18
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Accessing class variables from a list comprehension in the class definition
... example with a set or dict comprehension would break in Python 2.
# Same error, in Python 2 or 3
y = {x: x for i in range(1)}
The (small) exception; or, why one part may still work
There's one part of a comprehension or generator expression that executes in the surrounding scope, regardless of ...
“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed
...oad those in the load balancer setup screen on AWS Mgmt Console, I get the error message: "Public Key Certificate and Private Key doesn't match."
...
How to declare a type as nullable in TypeScript?
... In order to set null or undefined value without compilation error, the tsconfig "strict" option must be removed or equals to "false" "strict" : false
– Nicolas Janel
Mar 19 '19 at 8:38
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Get PHP class property by string
...>{$property}[$name], otherwise $this->$property[$name] will throw an error
– goyote
Dec 8 '12 at 4:05
@goyote: I...
using facebook sdk in Android studio
.... Soon we will require version 0.7 or later. Try it out, and if you get an error that a newer version of the Gradle plugin is required, that's the line you have to edit.
Make sure the Android Support Library in your SDK manager is installed.
Edit your settings.gradle file in your application’s mai...
JavaScript check if variable exists (is defined/initialized)
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@geowa4 Actually, that will throw an error if the variable is undefined.
– kevinji
Apr 19 '11 at 4:59
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地图组件（高德地图） · App Inventor 2 中文网
... will return 0 if the 标记
intersects or contains the mapFeature. If an error occurs, this method will return -1.
DistanceToPoint(纬度,经度)
Compute the distance, in meters, between a 标记 and a latitude, longitude point.
HideInfobox()
Hides the 标记’s info box if it is visibl...
When should one use RxJava Observable and when simple Callback on Android?
...nt is not much better than the Callback variant. For now, let's ignore the error handling.
Let's take a list of photos:
RxJava:
api.getUserPhotos(userId)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.flatMap(new Func1<List<Photo>, Observable<Photo>>() ...
How to fix corrupted git repository?
...m first
# and re-clone them after (with `git submodule update --init`)
#
# Error codes:
# 1: If a url is not supplied, and one cannot be read from .git/config
# 4: If the url cannot be reached
# 5: If a git submodule is detected
if [[ "$(find -name .git -not -path ./.git | wc -l)" -gt 0 ]] ;
then
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