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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
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The binary + operator performs string concatenation when one or both operands are of type string.
If an operand of string concatenation is null, an empty string is substituted. Otherwise, any non-string argument is converted to its string representation by invoking the virtual ToString method inhe...
How to append text to a text file in C++?
How to append text to a text file in C++? And create a new text file if it does not already exist and append text to it if it does exist.
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How to destroy an object?
...ly destroy an object.
It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on...
how to create a file name with the current date & time in python?
... problem (answers your question) of getting a string with the current time and date format you specify:
import time
timestr = time.strftime("%Y%m%d-%H%M%S")
print timestr
yields:
20120515-155045
so your filename could append or use this string.
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How do you make Git ignore files without using .gitignore?
...t modify the .gitignore of my repository. Is there a way to ignore files and directories other than modifying a .gitignore ? Even if it is a global solution like a global configuration that will be applied to all my repositories.
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How to reference a .css file on a razor view?
... type="text/css" />
@RenderSection("Styles", false)
</head>
and if I need some view specific styles I define the Styles section in each view:
@section Styles {
<link href="@Url.Content("~/Styles/view_specific_style.css")" rel="stylesheet" type="text/css" />
}
Edit: It's u...
Sorting HashMap by values [duplicate]
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Just a kick-off example. This way is more useful as it sorts the HashMap and keeps the duplicate values as well.
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How do I determine which iOS SDK I have?
...), especially during betas, the best place to check which version of Xcode and related SDKs you have installed is to use "System Information".
Apple Menu > About This Mac > System Report > Software > Developer
Once there, you'll see version and build numbers for all of the major compon...
SVN: Is there a way to mark a file as “do not commit”?
...feature, as of February 2016 / version 1.9. This answer is a non-ideal command-line workaround
As the OP states, TortoiseSVN has a built in changelist, "ignore-on-commit", which is automatically excluded from commits. The command-line client does not have this, so you need to use multiple changelis...
Disabling of EditText in Android
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I believe the correct would be to set android:editable="false".
And if you wonder why my link point to the attributes of TextView, you the answer is because EditText inherits from TextView:
EditText is a thin veneer over
TextView that configures itself to ...