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What is the difference between atomic / volatile / synchronized?
...ame time.
Using volatile variables reduces the risk of memory consistency errors, because any write to a volatile variable establishes a happens-before relationship with subsequent reads of that same variable.
This means that changes to a volatile variable are always visible to other threads. Wha...
How to upload a file in Django? [closed]
...a">
{% csrf_token %}
<p>{{ form.non_field_errors }}</p>
<p>{{ form.docfile.label_tag }} {{ form.docfile.help_text }}</p>
<p>
{{ form.docfile.errors }}
{{ form.docfile }}
</...
Force update of an Android app when a new version is available
...ion)){
if(!isFinishing()){ //This would help to prevent Error : BinderProxy@45d459c0 is not valid; is your activity running? error
showUpdateDialog();
}
}
}
else
background.start();
...
Is APC compatible with PHP 5.4 or PHP 5.5?
...nd apc will not recognize certain classes when cached.
I think this is the error Simon is talking about.
I heard there were some fixes in the trunk, but I also tried the latest trunk sources, but the same errors keep coming back.
I think php without a opcode cacher (there is none available right no...
Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFa
...
The error suggests that the application you are trying to run cannot instantiate an instance of apache tomcat. Make sure you are running the application with tomcat.
if after checking all your dependencies you experience the sam...
How to change the background color of the options menu?
...
Hi, I have used your function but i got this following error Error inflating class com.android.internal.view.menu.IconMenuItemView and then one more exception Error inflating class <unknown>... now what should i do now...? please help me.
– Rushabh Pat...
What is the meaning of the term “thread-safe”?
...f it fails to run safely, but failure was because there's a divide by zero error, does that make it thread-"Unsafe"?
– Charles Bretana
Jun 4 '18 at 20:23
...
Do you (really) write exception safe code? [closed]
... (using std::numeric_limits<T>::max()) before doing the addition.
My error would go in the "Normal failure vs. bug" section, that is, a bug.
It doesn't invalidate the reasoning, and it does not mean the exception-safe code is useless because impossible to attain.
You can't protect yourself aga...
Python's equivalent of && (logical-and) in an if-statement
... I arrived here after I typed both && and AND and got an error (not expecting python to want the lowercase word and).
– Xeoncross
Nov 22 '16 at 17:28
2
...
Android Paint: .measureText() vs .getTextBounds()
...teger, while measureText returns float value.
So what you get is rounding error during conversion of float to int, and this happens in Paint.cpp in SkPaintGlue::doTextBounds in call to function SkRect::roundOut.
The difference between computed width of those two calls may be maximally 1.
EDIT 4 O...