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Is the list of Python reserved words and builtins available in a library?
...essly unavailable in safe scenarios. Sure, assigning set = 1 is a terrible idea, but a class with a method or attribute named set (so it's always referenced with instance.set, not as plain set) isn't necessarily awful. There are perfectly legitimate cases for naming a method set; if set was a keywor...
Hibernate Annotations - Which is better, field or property access?
...really address your questions, as that is what encapsulation is all about. Ideally all of your fields should be private, and if possible they should have no getters or setters - that is the best level of encapsulation you can hope for. Consider a password checker. 2 private fields passwordHash an...
How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
... accustomed to many of the Java IDEs ( Eclipse , NetBeans , and IntelliJ IDEA ) providing you with a command to generate a default constructor for a class based on the fields in the class.
...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...荐给所有变量加上花括号，这是个好的编程习惯。IntelliJ IDEA编写shell script时，IDE就会提示加花括号。
重定义变量
已定义的变量，可以被重新定义，如：
your_name="qinjx"
echo $your_name
your_name="alibaba"
echo $your_name
这样写是合...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
...ometimes the app is backgrounded sometime during the night. Anyone have an idea what could move the app to the background? or reset the flag?
– Yariv Adam
May 11 '18 at 5:32
...
Overloading Macro on Number of Arguments
...arguments (but expandable)
Function for no argument only in GCC possible
Ideas
Use it for default arguments:
#define func(...) VFUNC(func, __VA_ARGS__)
#define func2(a, b) func4(a, b, NULL, NULL)
#define func3(a, b, c) func4(a, b, c, NULL)
// real function:
int func4(int a, int b, void* c, void...
JPA EntityManager: Why use persist() over merge()?
... Makes sense since you assign the IDs and the JPA container has no idea where you got that from. There is a (small) chance that the object already exists in the database, for example in a scenario where several applications write to the same database.
– Aaron Digulla
...
A variable modified inside a while loop is not remembered
...
+display outside
#!/bin/bash
# set -e
# set -u
# No idea why you need this, not using here
foo=0
bar="hello"
if [[ "$bar" == "hello" ]]
then
foo=1
echo "Setting \$foo to $foo"
fi
echo "Variable \$foo after if statement: $foo"
li...
What are five things you hate about your favorite language? [closed]
...
Ideally, I would like to use some_function(explode('|', $string)[0]);
– too much php
Nov 16 '08 at 21:10
...
Random float number generation
...nd instead of constructing a new one every time, but hopefully you get the idea.
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