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How to have a transparent ImageButton: Android
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Try using null for the background ...
android:background="@null"
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How to resize an image to fit in the browser window?
This seems trivial but after all the research and coding I can't get it to work. Conditions are:
14 Answers
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How can I detect if a selector returns null?
...See my answer porting Rails' presence method.
– Marc-André Lafortune
Feb 26 '13 at 22:22
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If yo...
Will GetType() return the most derived type when called from the base class?
...nly sees the super class. Is it not that it will always return what the handle was defined as not the instance? - or am i missing something?
– user359135
Jul 20 '18 at 10:56
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OpenSSL and error in reading openssl.conf file
...n also set the environment property OPENSSL_CONF. For example from the commandline you can type:
set OPENSSL_CONF=c:/libs/openssl-0.9.8k/openssl.cnf
to validate it you can type:
echo %OPENSSL_CONF%
You can also set it as part of the computer's environmental variables so all users and services ...
How to handle Back button with in the dialog?
... an application that when the button is pressed, it opens a dialog with OK and Cancel buttons.
8 Answers
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Lightweight Java Object cache API [closed]
...or an example of creating an in memory cache. You can specify a max size, and a time to live.
EHCache does offer some advanced features, but if your not interested in using them - don't. But it's nice to know they are there if your requirements ever change.
Here is an in memory cache. Created i...
Should I store generated code in source control
This is a debate I'm taking a part in. I would like to get more opinions and points of view.
27 Answers
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Using generic std::function objects with member functions in one class
... doesn't take any arguments (<void(void)>), you must bind the first (and the only) argument.
std::function<void(void)> f = std::bind(&Foo::doSomething, this);
If you want to bind a function with parameters, you need to specify placeholders:
using namespace std::placeholders;
std:...
How to concatenate two IEnumerable into a new IEnumerable?
...erator will attempt to use the two passed-in enumerable items (call them A and B) in sequence. If the passed-in enumerables represent sequences which will not change during the lifetime of Cat, and which can be read from without side-effects, then Cat may be used directly. Otherwise, it may be a g...