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Is it secure to store passwords as environment variables (rather than as plain text) in config files
...e that is meant to look like a configuration file. An attacker will eventually figure out what's going on, or stumble across it.
Security provided by encryption that is trivial to break, (think caesar cipher!).
Security provided by encryption that can be broken with some effort.
Security provided b...
Setting focus on an HTML input box on page load
...
Will that actually set the input focus? Which browser did you try it on?
– Peter Mortensen
Jul 1 '19 at 1:44
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How to rotate the background image in the container?
...e;
width: 200%;
height: 200%;
top: -50%;
left: -50%;
z-index: -1;
background: url(background.png) 0 0 repeat;
-webkit-transform: rotate(30deg);
-moz-transform: rotate(30deg);
-ms-transform: rotate(30deg);
-o-transform: rotate(30deg);
transform: rotate(30de...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
... StockCode{get;set;}
//该次请求的股票名称
public string Index { get; set; }
//该次请求Excel分配的TopicID
public int TopicId { get; set; }
//该次请求的返回值
public object Value{get;set;}
}
3.2 创建RTD
如何创建RTD函数是本文的重点...
Filtering a list based on a list of booleans
...ic way to iterate over multiple sequences in parallel, without needing any indexing. This assumes both sequences have the same length (zip stops after the shortest runs out). Using itertools for such a simple case is a bit overkill ...
One thing you do in your example you should really stop doing i...
How does a Java HashMap handle different objects with the same hash code?
...mp; put
Time complexity is O(1), because:
Bucket is accessed via array index, thus O(1).
Linked list in each bucket is of small length, thus could view as O(1).
Tree size is also limited, because will extend capacity & re-hash when element count increase, so could view it as O(1), not O(log ...
In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
I am building a small chat application for friends, but unsure about how to get information in a timely manner that is not as manual or as rudimentary as forcing a page refresh.
...
What is the exact problem with multiple inheritance?
I can see people asking all the time whether multiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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ReactJS Two components communicating
...ate.listItems.filter(function(item) {
var match = item.toLowerCase().indexOf(this.state.nameFilter.toLowerCase());
return (match !== -1);
}.bind(this));
var content;
if (displayedItems.length > 0) {
var items = displayedItems.map(function(item) {
return <...
Difference between “managed” and “unmanaged”
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Unmanaged code compiles straight to machine code. So, by that definition all code compiled by traditional C/C++ compilers is 'unmanaged code'. Also, since it compiles to machine code and not an intermediate language it is non-portable.
No free memory management or anything else the CLR provides.
...