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How do I tell if a regular file does not exist in Bash?
... you are free to edit my post and add it to the list. I guess you mean: -n String - Check if the length of the string isn't zero. Or do you mean file1 -nt file2 - Check if file1 is newer then file 2 (you can also use -ot for older then)
– BlueCacti
May 5 '14 at...
How to clear Facebook Sharer cache?
...u're still having trouble getting it to refresh, try adding a random query string parameter to the end of your URL.
– JD Smith
Jul 24 '14 at 15:40
2
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Creating a constant Dictionary in C#
...fficient way to create a constant (never changes at runtime) mapping of string s to int s?
10 Answers
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Find size of object instance in bytes in c#
...e same, well-defined types. Those for which this isn't true are arrays and strings for sure, and I believe also StringBuilder. For them you'll have add the size of all contained elements to their base instance size.
share
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DefaultInlineConstraintResolver Error in WebAPI 2
...in a Route, you specified something like
[Route("SomeRoute/{someparameter:string}")]
"string" is not needed as it is the assumed type if nothing else is specified.
As the error indicates, the DefaultInlineConstraintResolver that Web API ships with does not have an inline constraint called string...
What is the purpose of setting a key in data.table?
...due to data.table's internal radix sorting) and memory efficient (only one extra column of type double is allocated).
When is setkey() required?
For grouping operations, setkey() was never an absolute requirement. That is, we can perform a cold-by or adhoc-by.
## "cold" by
require(data.table)
DT...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
... data:
public class FragmentA extends Fragment {
private static final String PERSISTENT_VARIABLE_BUNDLE_KEY = "persistentVariable";
private EditText persistentVariableEdit;
public FragmentA() {
setArguments(new Bundle());
}
@Override
public View onCreateView(Layou...
Git push branch from one remote to another?
...
Due to the extra HEAD branch being created in the previous answer, the cleanest way I found to do this is to clone into a bare repository and then push all branches to the remote as follows:
git clone --bare <from-repository>
cd ...
When is del useful in python?
...
One place I've found del useful is cleaning up extraneous variables in for loops:
for x in some_list:
do(x)
del x
Now you can be sure that x will be undefined if you use it outside the for loop.
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Application Loader stuck at “Authenticating with the iTunes store” when uploading an iOS app
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You are a legend. If I could upvote x1000 I would. Extra points for the detailed explanation. Thank you so much.
– Oliver Pearmain
Sep 20 at 10:04
add ...