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Should I instantiate instance variables on declaration or in the constructor?
...'s discussable: if you initialise all your fields in the constructor, you know exactly that when you are reading the code, you have just one place where to search...
– nbro
May 8 '15 at 10:42
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CSS Div stretch 100% page height
...of the HTML box. You can also use height:100% on the cloud-container as it now refers to the height of the HTML tag and not the viewport.
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Declaration of Methods should be Compatible with Parent Methods in PHP
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This has changed in PHP 5.4, btw: * E_ALL now includes E_STRICT level errors in the error_reporting configuration directive. See here: php.net/manual/en/migration54.other.php
– Duncan Lock
Nov 17 '12 at 1:08
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How to mark a class as Deprecated? [duplicate]
...e it to true at the appropriate time, so those who are still using it will now get errors in their code and be forced to change. [Obsolete("Will be deprecated December 12, 2018. Use xyz instead.")] then... [Obsolete("Method was deprecated December 12, 2018. Use xyz instead.", true)]. That way it's ...
How to delete an object by id with entity framework
...inactive for 2 years
ctx.Users.Where(x => x.LastLoginDate < DateTime.Now.AddYears(-2))
.Delete();
It is also useful for bulk deletes.
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Determine if Android app is being used for the first time
...SET_APP_RUN_FIRST_TIME, "FIRST");
return App_runFirst;
}
}
Now Open Your Activity & Initialize .
private SharedPreference sharedPreferenceObj; // Declare Global
Now Call this in OnCreate section
sharedPreferenceObj=new SharedPreference(YourActivity.this)...
Spinlock versus Semaphore
... few threads are contending for the lock at the same time. Of course every now and then two threads will try to acquire the lock at the same time (if this couldn't happen you wouldn't need a lock!), but this is rather the exception than the rule in a "healthy" system.
In such a case, a spinlock g...
Best ways to teach a beginner to program? [closed]
...cts:
Hello World!
Take the year of my birth, and calculate my age (just (now - then) no month corrections). (simple math, input, output)
Ask for a direction(Up, down, left, right), then tell the user their fate (fall in a hole, find a cake, ect). (Boolean logic)
FizzBuzz, but count once every seco...
Immutable vs Mutable types
I'm confused on what an immutable type is. I know the float object is considered to be immutable, with this type of example from my book:
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MemoryCache does not obey memory limits in configuration
... this._idx ^= 1;
this._cacheSizeSampleTimes[this._idx] = DateTime.UtcNow;
this._cacheSizeSamples[this._idx] = ref2.ApproximateSize;
IMemoryCacheManager manager = s_memoryCacheManager;
if (manager != null)
{
manager.UpdateCacheSize(this._cacheSizeSamples[this._idx], this._...