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TypeError: 'module' object is not callable
...cket
<class 'socket._socketobject'>
This is what the error message means:
It says module object is not callable, because your code is calling a module object. A module object is the type of thing you get when you import a module. What you were trying to do is to call a class object within th...
How do I capture the output into a variable from an external process in PowerShell?
...oduces more than 1 output object, which in the case of an external program means a string[1] array containing the program's output lines.
By contrast, if you want $cmdOutput to always receive a single - potentially multi-line - string, use
$cmdOutput = <command> | Out-String
To capture output...
C# - What does the Assert() method do? Is it still useful?
...llows a program to check itself as it runs. When a
assertion is true, that means everything is operating as expected.
When it’s false, that means it has detected an unexpected error in the
code. For example, if the system assumes that a customer-information
file will never have more than 50,000 re...
Difference between HashSet and HashMap?
...i”, “Bye”, “Run”}
HashSet does not allow duplicate elements that mean you
can not store duplicate values in HashSet.
HashSet permits to have a single null value.
HashSet is not synchronized which means they are not suitable for thread-safe operations until unless synchronized explicitly....
Reference: What is variable scope, which variables are accessible from where and what are “undefined
...because you wrote $foo = 'bar'; once somewhere in your application doesn't mean you can refer to $foo from everywhere else inside the application. The variable $foo has a certain scope within which it is valid and only code in the same scope has access to the variable.
How is a scope defined in PHP...
Javascript checkbox onChange
...
function calc()
{
if (document.getElementById('xxx').checked)
{
document.getElementById('totalCost').value = 10;
} else {
calculate();
}
}
HTML
<input type="checkbox" id="xxx" name="xxx" onclick="calc();"/>
...
How to center horizontally div inside parent div
How do I center a div horizontally inside its parent div with CSS ?
5 Answers
5
...
How can I multiply and divide using only bit shifting and adding?
... 5
= 21 * 5 (Same as initial expression)
(_2 means base 2)
As you can see, multiplication can be decomposed into adding and shifting and back again. This is also why multiplication takes longer than bit shifts or adding - it's O(n^2) rather than O(n) in the number of b...
How can I convert a comma-separated string to an array?
... your array as integers and not as strings after splitting the string, consider converting them into such.
var str = "1,2,3,4,5,6";
var temp = new Array();
// This will return an array with strings "1", "2", etc.
temp = str.split(",");
Adding a loop like this,
for (a in temp ) {
temp[a] = parse...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...，可加参数指定ip、端口，默认本机27017）
config={
"_id" : "ReplSetName",
"members" : [
{"_id" : 0, "host" : "172.16.88.97:27017",priority:2},
{"_id" : 1, "host" : "172.16.88.97:27018",priority:1},
{"_id" : 2, "host" : "172.16.88.97:27019",arbite...