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Why are joins bad when considering scalability?
...to store structured data (you could do that with flat file constructs like csv or xml). A few of the options I listed will even let you completely build your join in advance, so the results are already done before you issue the query — just as if you had denormalized the data (admittedly at the co...
How to decide when to use Node.js?
...ith 80+ upvotes. There's no simple way to read one record at a time from a CSV file. Etc.
I love NodeJS, it is fast and wild and fun, but I am concerned it has little interest in provable-correctness. Let's hope we can eventually merge the best of both worlds. I am eager to see what will replace...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...回插入行的唯一行 ID。
这些方法从文件中批量插入 CSV 格式的数据。
文件中的第一个非空行应该是目标表中要插入值的列名的逗号分隔列表。第二行和后续的非空行应该是值列表的逗号分隔列表。
这些行中的每一行都将...
What is the difference between JSON and Object Literal Notation?
...ON is a textual, language-independent data-exchange format, much like XML, CSV or YAML.
Data can be stored in many ways, but if it should be stored in a text file and be readable by a computer, it needs to follow some structure. JSON is one of the many formats that define such a structure.
Such fo...
How should you build your database from source control?
... send parameters to the SQL script. It can also bulk-load static data from CSV files for performance issues.
Typically, system user credentials would be passed as a parameter to the Create.cmd file.
IMHO, dynamic data loading should require another step, depending on your environment. Developers w...
How exactly does __attribute__((constructor)) work?
...y hijack the default logging, but you CAN
use multiple observers, just CSV them,
i.e. "@"DemureTestObserverm,XCTestLog"
*/
[USER_DEFS setObject:@"DemureTestObserver"
forKey:@"XCTestObserverClass"];
[USER_DEFS synchronize];
}
__attribute__((destructor)) static void rese...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...回插入行的唯一行 ID。
这些方法从文件中批量插入 CSV 格式的数据。
文件中的第一个非空行应该是目标表中要插入值的列名的逗号分隔列表。第二行和后续的非空行应该是值列表的逗号分隔列表。
这些行中的每一行都将...
Byte order mark screws up file reading in Java
I'm trying to read CSV files using Java. Some of the files may have a byte order mark in the beginning, but not all. When present, the byte order gets read along with the rest of the first line, thus causing problems with string compares.
...
How to read a (static) file from inside a Python package?
...init__.py
│ ├── get_predictions.py
│ ├── languages.csv
│ └── utils.py
├── README.md
├── setup.cfg
└── setup.py
you need this code:
import pkg_resources
# __name__ in case you're within the package
# - otherwise it would be 'lidtk' in this exa...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...回插入行的唯一行 ID。
这些方法从文件中批量插入 CSV 格式的数据。
文件中的第一个非空行应该是目标表中要插入值的列名的逗号分隔列表。第二行和后续的非空行应该是值列表的逗号分隔列表。
这些行中的每一行都将...