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Should a RESTful 'PUT' operation return something
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The HTTP specification (RFC 2616) has a number of recommendations that are applicable. Here is my interpretation:
HTTP status code 200 OK for a successful PUT of an update to an
existing resource. No response body needed. (Per Section 9...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tr;
for(int i=0; i<m_list.GetItemCount(); i++)
{
if( m_list.GetItemState(i, LVIS_SELECTED) == LVIS_SELECTED || m_list.GetCheck(i))
{
str.Format(_T("第%d行的checkbox为选中状态"), i);
AfxMessageBox(str);
}
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Best way to detect that HTML5 is not supported
... was for detection when it's not supported, I recommend using it like so:
if (!isCanvasSupported()){ ...
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What is the most elegant way to remove a path from the $PATH variable in Bash?
... this: awk seems to add a null byte to the end of the string. Meaning that if you append another directory to PATH later, it will in fact not be searched.
– sschuberth
Oct 24 '12 at 20:36
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
I am wondering if anyone can give a "best practices" response to using blank HTML form actions to post back to the current page.
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Get value from JToken that may not exist (best practices)
...t the generic method Value() is for. You get exactly the behavior you want if you combine it with nullable value types and the ?? operator:
width = jToken.Value<double?>("width") ?? 100;
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Converting file size in bytes to human-readable string
...FileSize(bytes, si=false, dp=1) {
const thresh = si ? 1000 : 1024;
if (Math.abs(bytes) < thresh) {
return bytes + ' B';
}
const units = si
? ['kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
: ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
let u = -1;...
Remove array element based on object property
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filter() creates a new array, which is fine if you're able to reassign the variable and know that there aren't other areas of code that have references to it. This won't work if you specifically need to modify the original array object.
– Brian G...
How to know when UITableView did scroll to bottom in iPhone
...ar the bottom of the screen, and then using the indexPath it returns check if that indexPath is the last row then if it is, add rows.
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Random record from MongoDB
...m the mycoll collection.
db.mycoll.aggregate([{ $sample: { size: 1 } }])
If you want to select the random document(s) from a filtered subset of the collection, prepend a $match stage to the pipeline:
// Get one random document matching {a: 10} from the mycoll collection.
db.mycoll.aggregate([
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