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Repository Pattern Step by Step Explanation [closed]
...ects are persisted. All of the knowledge of persistence, including mapping from tables to objects, is safely contained in the repository.
Very often, you will find SQL queries scattered in the codebase and when you come to add a column to a table you have to search code files to try and find usages...
What do the terms “CPU bound” and “I/O bound” mean?
...ght become I/O bound, since the bottleneck is then the reading of the data from disk (actually, this example is perhaps kind of old-fashioned these days with hundreds of MB/s coming in from SSDs).
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How to use multiple AWS Accounts from the command line?
...46053/1199564) because it allows a user to understand how to move settings from one profile to another if, for example, you started out with only the default profile and want to continue with dedicated, separate profiles.
– mgd
Mar 14 '18 at 8:24
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How do I return multiple values from a function in C?
...t produces a result int and a result string , how do I return them both from a function?
8 Answers
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How to get a enum value from string in C#?
...L_MACHINE", true);
This code snippet illustrates obtaining an enum value from a string. To convert from a string, you need to use the static Enum.Parse() method, which takes 3 parameters. The first is the type of enum you want to consider. The syntax is the keyword typeof() followed by the name of...
map vs. hash_map in C++
...characteristics (e.g. it is stored in sorted order, which allows traversal from start to finish). unordered_map will be faster on insert and delete than a map.
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Calculating Pearson correlation and significance in Python
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You can have a look at scipy.stats:
from pydoc import help
from scipy.stats.stats import pearsonr
help(pearsonr)
>>>
Help on function pearsonr in module scipy.stats.stats:
pearsonr(x, y)
Calculates a Pearson correlation coefficient and the p-value f...
Window Features - 更多技术 - 清泛网 - 专注C/C++及内核技术
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Clipping
The system does not automatically clip a child window from the parent window's client area. This means the parent window draws over the child window if it carries out any drawing in the same location as the child window. However, the system does clip the child window from the pa...
How to remove EXIF data without recompressing the JPEG?
...IF information (including thumbnail, metadata, camera info... everything!) from JPEG files, but I don't want to recompress it, as recompressing the JPEG will degrade the quality, as well as usually increasing the file size.
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Can Retrofit with OKHttp use cache data when offline
...(Utils.isNetworkAvailable(context)) {
int maxAge = 60; // read from cache for 1 minute
return originalResponse.newBuilder()
.header("Cache-Control", "public, max-age=" + maxAge)
.build();
} else {
int maxStale = 60 *...