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Using python's eval() vs. ast.literal_eval()?
...al() only considers a small subset of Python's syntax to be valid:
The string or node provided may only consist of the following Python literal structures: strings, numbers, tuples, lists, dicts, booleans, and None.
Passing __import__('os').system('rm -rf /a-path-you-really-care-about') into a...
boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...site_key, as shown in the example:
struct phonebook_entry
{
std::string family_name;
std::string given_name;
std::string phone_number;
phonebook_entry(
std::string family_name,
std::string given_name,
std::string phone_number):
family_name(family_name),given_...
How to check if the string is empty?
Does Python have something like an empty string variable where you can do:
25 Answers
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How are Anonymous inner classes used in Java?
...r class can come useful when making an instance of an object with certain "extras" such as overriding methods, without having to actually subclass a class.
I tend to use it as a shortcut for attaching an event listener:
button.addActionListener(new ActionListener() {
@Override
public void ...
Optional Parameters with C++ Macros
... macro.
enum
{
plain = 0,
bold = 1,
italic = 2
};
void PrintString(const char* message, int size, int style)
{
}
#define PRINT_STRING_1_ARGS(message) PrintString(message, 0, 0)
#define PRINT_STRING_2_ARGS(message, size) PrintString(message, size, 0)
#define PRINT_...
SqlDataAdapter vs SqlDataReader
...
Actually, with a little bit of extra code you certainly can run linq queries (or, at least one query) on a datareader. Just use an iterator block to yield return the DataReader cast as an IDataRecord inside your while (reader.Read()) loop.
...
What's the maximum value for an int in PHP?
...on't get these downvotes.. this is a perfectly good answer, even with some extra information thrown in. +1 to correct it.
– nickf
Mar 22 '09 at 8:08
3
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Loading local JSON file
... very simplest solution for me. The JSON file looks almost the same, so no extra clutter (only a "var xyz =" on the very top of the file). Nobody wants a big data file in their code.
– cslotty
Dec 9 '17 at 8:00
Bash command to sum a column of numbers [duplicate]
...s filter out negative numbers. With awk you can easily and sensibly add in extra logic, with the bc solution you end up with piping through yet another command (cut or grep)
– James Anderson
Jun 23 '10 at 8:26
...
Convert an enum to List
How do I convert the following Enum to a List of strings?
2 Answers
2
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