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How to center the content inside a linear layout?
I'm trying to center an ImageView inside a LinearLayout horizontally and vertically, but I just can't do it.
The main reason why I'm not using a RelativeLayout for that is because I need the layout_weight (my Activity consists of four columns that should be equally divided, and also respon...
Execute JavaScript using Selenium WebDriver in C#
...rfaces to model functionality that may be supported by one driver, but not all. In the Support assembly (WebDriver.Support.dll, available via NuGet in the Selenium.Support package), there's an extension method that handles the casting for you and makes it look like the driver has an ExecuteJavaScrip...
How to get a specific version of a file in Mercurial?
...is another command you may be interested in, and that's hg cat. That will allow you to print out the contents of a file at any particular revision. You can then redirect its output into some other file. Then you can have the previous known good version of your file and the old version to compare ...
Determine which JAR file a class is from
...
Yes. It works for all classes except classes loaded by bootstrap classloader. The other way to determine is:
Class klass = String.class;
URL location = klass.getResource('/' + klass.getName().replace('.', '/') + ".class");
As notnoop pointe...
Passing arguments to require (when loading module)
... return pickleJar;
};
return module;
};
I structure pretty much all my modules like that. Seems to work well for me.
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Are inline virtual functions really a non-sense?
... excerpt from the excellent C++ faq:
"The only time an inline virtual call
can be inlined is when the compiler
knows the "exact class" of the object
which is the target of the virtual
function call. This can happen only
when the compiler has an actual object
rather than a pointer or ...
Unable to Cast from Parent Class to Child Class
...
Well, I would hesitate to call this a "downcast".
– Kirk Woll
Dec 24 '12 at 4:43
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How to turn on line numbers in IDLE?
...t window, go to Options and click Show Line Numbers.
To show them automatically, go to Options > Configure IDLE > General and check the Show line numbers in new windows box.
Version 3.7 or older:
Unfortunately there is not an option to display line numbers in IDLE although there is an enhancem...
Set TextView text from html-formatted string resource in XML
...that's not documented (I tripped over it after searching for hours, and finally found it in the bug list for the Android SDK itself). You CAN include raw HTML in strings.xml, as long as you wrap it in
<![CDATA[ ...raw html... ]]>
Example:
<string name="nice_html">
<![CDATA[
<p...
What is the optimal length for user password salt? [closed]
Any salt at all will obviously help when salting and hashing a user's password. Are there any best practices for how long the salt should be? I'll be storing the salt in my user table, so I would like the best tradeoff between storage size and security. Is a random 10 character salt enough? Or ...