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Separate REST JSON API server and client? [closed]
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136
At Boundless, we've gone deep with option #2 and rolled it out to thousands of students. Our se...
python max function using 'key' and lambda expression
...xample 2: Applying max to a list of tuples.
>>> lis = [(1,'a'), (3,'c'), (4,'e'), (-1,'z')]
By default max will compare the items by the first index. If the first index is the same then it'll compare the second index. As in my example, all items have a unique first index, so you'd get th...
Active Record - Find records which were created_at before today
... This produces "created_at" BETWEEN $1 AND $2 [["created_at", "4713-01-01 BC"], ["created_at", "2020-03-31 21:43:28.113759"]]
– Pavel Chuchuva
Apr 2 at 21:46
add a co...
Is it possible to GROUP BY multiple columns using MySQL?
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GROUP BY col1, col2, col3
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Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
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edited Jul 20 '12 at 17:36
answered Jul 30 '11 at 6:10
JW...
“Too many values to unpack” Exception
...er of target variables. For example: this work, and prints 1, then 2, then 3
def returnATupleWithThreeValues():
return (1,2,3)
a,b,c = returnATupleWithThreeValues()
print a
print b
print c
But this raises your error
def returnATupleWithThreeValues():
return (1,2,3)
a,b = returnATupleWith...
MFC CSyncObject，CSingleLock，CMultiLock同步类 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。
2）带参数的 UnLock()，默认情况下都返回TRUE。
3、构造函数有：
1）CSyncObject::CSyncObject(LPCTSTR pstrName)
2）CSyncObject::～CSyncObject()
3）CSyncObject::Lock(DWORD dwTimeOut)
4、在CSyncObject类的声明后有：
friend cla...
Traverse all the Nodes of a JSON Object Tree with JavaScript
...something like that:
//your object
var o = {
foo:"bar",
arr:[1,2,3],
subo: {
foo2:"bar2"
}
};
//called with every property and its value
function process(key,value) {
console.log(key + " : "+value);
}
function traverse(o,func) {
for (var i in o) {
func.app...
bash HISTSIZE vs. HISTFILESIZE?
...session, you start over at 1 with a HISTFILE of HISTFILESIZE=10.
Example 3:
HISTFILESIZE=5 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain at most HISTFILESIZE=5 lines.
You write 50 lines.
At the end of your 50 command...