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What is the most efficient way to loop through dataframes with pandas? [duplicate]
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File Upload ASP.NET MVC 3.0
(Preface: this question is about ASP.NET MVC 3.0 which was released in 2011 , it is not about ASP.NET Core 3.0 which was released in 2019)
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Convert file: Uri to File in Android
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What you want is...
new File(uri.getPath());
... and not...
new File(uri.toString());
Note: u...
Good way of getting the user's location in Android
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Deleting multiple elements from a list
...ements from a list at the same time? If I want to delete elements at index 0 and 2, and try something like del somelist[0] , followed by del somelist[2] , the second statement will actually delete somelist[3] .
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AWS S3: how do I see how much disk space is using
...| grep -v -E "(Bucket: |Prefix: |LastWriteTime|^$|--)" | awk 'BEGIN {total=0}{total+=$3}END{print total/1024/1024" MB"}'
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How to check if a string contains text from an array of substrings in JavaScript?
...but some is:
if (substrings.some(function(v) { return str.indexOf(v) >= 0; })) {
// There's at least one
}
Live Example:
var substrings = ["one", "two", "three"];
var str;
// Setup
console.log("Substrings: " + substrings.join(","));
// Try it where we expect a match
str = "this has one...
get an element's id
...e this:
var inputs = document.getElementsByTagName("input");
for (var i = 0; i < inputs.length; i++) {
alert(inputs[i].id);
}
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LVN_ITEMCHANGED通知会响应多次的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...（三次）的问题及替代方案。
#define LVIF_STATE 0x0008
#define LVIS_FOCUSED 0x0001
#define LVIS_SELECTED 0x0002
// 在CListCtrl派生类中响应LVN_ITEMCHANGED消息
void CNewListCtrl::OnItemchanged(NMHDR* pNMHDR, LRESULT* pResult)
{
NMLISTVIE...
php：获取数组第一个值 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...HP 5.4版本后可以使用[ ]来取数据指定位置的元素，索引从0开始，即$arr[0]取数组第一个值。不过为了兼容性，建议还是采取reset(),current(),next()等函数来取数组中的值，reset($arr)后current($arr)取第一个值。自PHP 5.4版本后可以使用 [ ] ...