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Decimal separator comma (',') with numberDecimal inputType in EditText
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A workaround (until Google fix this bug) is to use an EditText with android:inputType="numberDecimal" and android:digits="0123456789.,".
Then add a TextChangedListener to the EditText with the following afterTextChanged:
public void afterTextChanged(Editable s) {
double doubleValue = 0...
Postgres could not connect to server
After I did brew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well.
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When should use Readonly and Get only properties
In a .NET application when should I use "ReadOnly" properties and when should I use just "Get". What is the difference between these two.
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Why is SCTP not much used/known
...cked out the book "UNIX Network Programming, Vol. 1" by Richards Stevens and I found that there is a third transport layer standard besides TCP and UDP: SCTP .
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Avoid line break between html elements
...veral ways to prevent line breaks in content. Using   is one way, and works fine between words, but using it between an empty element and some text does not have a well-defined effect. The same would apply to the more logical and more accessible approach where you use an image for an icon.
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Nexus 7 not visible over USB via “adb devices” from Windows 7 x64
I have done the obvious -- the USB driver was installed from the latest Android SDK, and USB debugging was turned on in the tablet.
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Why can I create a class named “var”?
...rd, so from the context the compiler is able to decide which is your class and which is the contextual keyword, and no confusion arises.
a contextual keyword is:
used to provide a specific meaning in the code, but it is not a
reserved word in C#.
so as its not reserved you can use it.
As p...
How to handle checkboxes in ASP.NET MVC forms?
...ubmit" />
<%}%>
Your checkboxes are all called selectedObjects, and the value of each checkbox is the GUID of the corresponding object.
Then post to the following controller action (or something similar that does something useful instead of Response.Write())
public ActionResult ShowData...
Using git commit -a with vim
...ile with :q while in the normal mode.
You can combine both these actions and do Esc:wqEnter to save the commit and quit vim.
As an alternate to the above, you can also press ZZ while in the normal mode, which will save the file and exit vim. This is also easier for some people as it's the same ke...
Default initialization of std::array?
...zed (C++11 §8.5/11). That includes objects of type std::array<T, N> and T[N].
Be aware that there are types for which default initialization has no effect and leaves the object's value indeterminate: any non-class, non-array type (§8.5/6). Consequently, a default-initialized array of object...