mbook | Graduation Project -- Online Free Novel Application | Chat library
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kandi X-RAY | mbook Summary
Graduation Project--Online Free Novel Application Based on WeChat Mini Program
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QUESTION
The screen launches but doesn't throw any errors or bugs I just launch the blank recycler view as if it's not reading any of the java codes although they are in my manifest. I've tried bumping the firebase path down on to "Book" but then I receive a can't convert object to java.lang.string
error.
Main activity
...ANSWER
Answered 2020-Sep-12 at 12:36You should set your adapter after loading data from firebase in your main activity
like this :-
QUESTION
I am passing a List of objects to my adapter. The objects are of type Uploads
class which contains just Docname
and Docurl
. After displaying the Docname on each of RecyclerView items, I want that when a user clicks at any item, browser should open with the URL corresponding to that item's URL.
This is what I tried. Its not throwing any error and the app is running smoothly but when I click on any item, nothing happens.
...ANSWER
Answered 2020-Aug-21 at 09:14You forgot to add itemView.setOnClickListener(this)
Just use this,
QUESTION
I have an Android app. This app has 12 activities, the first activity is the Splash Screen and sec activity is the intropage and 3rd activity is main and etc When I run the app, it doesn't enter the main activity and the app closes. The error is as follows:
...ANSWER
Answered 2020-May-09 at 08:53Please follow the below options. Hope your problem will be solved.
1) Your Manifest Must Change like this Activity name must Specified like ".YourActivityname"
QUESTION
...Write a class declaration for a class called Library that has the following private members:
mBooks, a pointer to an array of Book structures.
mCapacity, the maximum number of books that can be stored in the library.
mNumBooks, the actual number of books in the library.
allocate, a void member function that allocates the array.
deallocate, a void member function that deallocates the array.
copy, a void member function that takes another Library object by constant reference, and copies the contents of its array into the array of the object it is called on.
ANSWER
Answered 2020-May-05 at 15:17Let's take the item 6
6 copy, a void member function that takes another Library object by constant reference, and copies the contents of its array into the array of the object it is called on.
and look at it piece by piece.
copy, a void member function
The function name is "copy" and returns void:
QUESTION
I'm trying to automate a process in which I:
- Open a file
- Change some values based on another file
- Execute a Macro
- Close the file
The issue is that the Macro in question relies on the Capital IQ Plugin. The Macro works just fine when I open Excel myself, but errors out when I open excel via VBScript. I know from various google results that CreateObject doesn't load Addins properly. However, the results don't specify what to do when the Addin consists of an .xll file as well as a .dll file, and I'm not familiar enough with VB to deduce how to do it. When I open the list of installed Add-ins for Excel (after opening Excel myself), the relevant ones appear to be C:\Program Files\Capital IQ\Office Plug-in\CIQAddin.dll
and C:\Program Files\Capital IQ\Office Plug-in\ciqfunctions.xll
.
A popular solution online seems to be adding a function that toggles every addin
...ANSWER
Answered 2019-Jan-15 at 04:54Posting the answer to my own question in case someone else encounters a similar challenge. Based on extensive testing, the issue is not that the Capital IQ Plugin isn't loading when Excel opens. This is despite Application.ComAddIns reporting that the S&P Capital IQ Plugin had a Connect attribute of True. The issue is that the COM AddIn for CapitalIQ takes roughly 20+ seconds to fully load (exact time varies). This caused issues when I call the "FindControl" Method of Application.CommandBars. I interpreted this as evidence that the plugin wasn't loading, when actually it was just taking longer to load. I noticed this when FindControl wouldn't work while I was Debug mode, but worked as soon as I exited Debug mode.
Part of the difficulty in diagnosing the issue is that FindControl has the odd behavior of throwing an error when no Control objects match the criteria, rather than returning None like the documentation suggests. Thus, I had to write a while loop to eventually detect the Control. At that point, the Macro would work like I wanted.
Finally, I found the win32com module for Python to be a better fit for my use case of automating Excel. This is unrelated to my original question, but is a best practice I picked up along the way.
QUESTION
2018-12-30 02:10:29.444 25245-25245/com.example.gusta.realapp D/rest1: firestorebookn1
re#564738
2018-12-30 02:10:29.446 25245-25245/com.example.gusta.realapp D/rest1: firestorebookn2
...ANSWER
Answered 2019-Jan-02 at 15:40The code you shared creates a new adapter for each book:
QUESTION
Currently I am developing for a MPC5777 board, with e200z7 cores. Most of the things are going well, but I am stuck with a problem that is really annoying me already. I am trying to use floating point operations on portions of my code, using the embedded hardware support. My toolchain is GCC 6.3 (powerpc-gcc), for which I am using the following flags:
...ANSWER
Answered 2018-Nov-28 at 20:48In case someone ends up here with a similar problem, I have fixed it by using three flags:
-mfloat-gprs=single -Wdouble-promotion -fsingle-precision-constant
What they do is:
-mfloat-gprs=single
tells the compiler to use general purpose register for floating point operations, instead of floating point registers. =single means it has single precision
-Wdouble-promotion
enables a compiler warning for when gcc tries to convert a single float to a double float
-fsingle-precision-constant
enforces GCC not to convert single float to double float
I am using -fsingle-precision-constant
and -Wdouble-promotion
at the same time to be 100% that double will not be used.
QUESTION
I'm using HashMap to fetch values for my listview adapter. The problem is that the last two elements of my HashMap are repeated. I have tried different solutions before posting this question. Some help would be highly appreciated, Thank you.
Here is the code for my HashMap
...ANSWER
Answered 2018-Jul-06 at 09:42Try this:
QUESTION
I'm using Android Studio. I haven't been able to find an answer online, so even a link to a solution would be helpful.
I have an Activity
, which includes a number of Fragments. One of these Fragments is called BookGridFragment
, which uses a class called BookGrid
.
BookGridFragment
looks like this (I've left out irrelevant bits):
ANSWER
Answered 2018-Jun-20 at 19:50A solution could be to set the onTouch/onClick listener in the fragment instead of in the BookGrid itself. From there you can use the fragment method getActivity() to call an activity method, parsing on the correct data to the correct fragment.
QUESTION
How can DAO be used with realm? Because when in my activity I try to set members of my model class I get an exception :
java.lang.IllegalStateException: Changing Realm data can only be done from inside a transaction.
I know that using realm.executeTransaction
fixes the issue, but the code in my activity is no more database-agnostic because it will countain code that is specific to low level database communication. So later if I want to change database, the refactoring will cost a lot of time and work... Besides, I will have to handle in all my activities a reference to Realm.getDefaultInstance();
Here is sample of code of my activity
...ANSWER
Answered 2018-Jun-23 at 23:25Realm's getInstance()
method returns a thread-local, reference counted instance which must be paired with a close() call
, so your DAO implementation probably won't suit what you expect.
If you use my library Realm-Monarchy which I created specifically for making it easier to "abstract Realm away", then you can implement your DAO like this:
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