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What is “android:allowBackup”?
...e, either open the lint warnings view, where you can select the lint error and see a longer explanation, or invoke the quick fix (Ctrl-1) on the error line, and one of the suggestions is "Explain this issue", which will also pop up a fuller explanation. If you are not using Eclipse, you can generate...
How to mount a host directory in a Docker container
...ou can do this. The simplest way to do so is to use the dockerfile ADD command like so:
ADD . /path/inside/docker/container
However, any changes made to this directory on the host after building the dockerfile will not show up in the container. This is because when building a container, docker co...
NumPy or Pandas: Keeping array type as integer while having a NaN value
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This capability has been added to pandas (beginning with version 0.24):
https://pandas.pydata.org/pandas-docs/version/0.24/whatsnew/v0.24.0.html#optional-integer-na-support
At this point, it requires the use of extension dtype Int64 (capitalized), rather than...
C/C++ check if one bit is set in, i.e. int variable
... there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking.
21 Answers
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Python str vs unicode types
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unicode is meant to handle text. Text is a sequence of code points which may be bigger than a single byte. Text can be encoded in a specific encoding to represent the text as raw bytes(e.g. utf-8, latin-1...).
Note that unicode is not encoded! T...
When do we need to set ProcessStartInfo.UseShellExecute to True?
...en a specified program or file - it is roughly equivalnt to typing the command to be executed into the run dialog and clicking OK, which means that it can be used to (for example):
Open .html files or web using the default browser without needing to know what that browser is,
Open a word document w...
Is a `=default` move constructor equivalent to a member-wise move constructor?
... same declared function type (except for possibly differing ref-qualifiers and except that in the case of a copy constructor or copy assignment operator, the parameter type may be “reference to non-const T”, where T is the name of the member function’s class) as if it had been implicitly decla...
Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
... is the plunker
New plunker with cleaner code & where both the query and search list items are case insensitive
Main idea is create a filter function to achieve this purpose.
From official doc
function: A predicate function can be used to write arbitrary filters.
The function is called...
Simplest way to read json from a URL in java
This might be a dumb question but what is the simplest way to read and parse JSON from URL in Java ?
11 Answers
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Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
...l1=0");
//...
if (conditions.Any())
Query += " WHERE " + string.Join(" AND ", conditions.ToArray());
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