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mongodb count num of distinct values per field/key
...aul what Richie said is that if the grouping is done just "regular" field (string, int etc.) then you don't need the unwind step. Isn't it correct?
– guyarad
Oct 19 '17 at 10:00
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MFC RadioButton用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...SysMenu != NULL)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMen...
How to get progress from XMLHttpRequest
...iodically query responseText to get all the content downloaded so far as a String (this doesn't work in IE), up until all of it is available at which point it will transition to readyState 4. The total bytes downloaded at any given time will be equal to the total bytes in the string stored in respon...
How to specify an array of objects as a parameter or return value in JSDoc?
...the following if you have an array of a specific type (such as an array of strings) as:
1 Answer
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string
... it. Those who guessed FFT were right.
The problem: we are given a binary string S of length n, and we want to find three evenly spaced 1s in it. For example, S may be 110110010, where n=9. It has evenly spaced 1s at positions 2, 5, and 8.
Scan S left to right, and make a list L of positions of 1...
How do I make a composite key with SQL Server Management Studio?
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So if one is a string and the other is an int, it's not possible? Doesn't seem to be...
– B. Clay Shannon
Nov 19 '13 at 23:06
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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
...ough that page further, another useful thing might be the ?type=large querystring you can add on. Props for coming up with a totally much better answer than the screen-scraping I was typing up, BTW :).
– Domenic
May 12 '10 at 17:21
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URLWithString: returns nil
it may be very easy, but I don't seems to find out why is URLWithString: returning nil here.
7 Answers
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AJAX POST and Plus Sign ( + ) — How to Encode?
...at have already been decoded.
Example:
In your JS:
// url encode your string
var string = encodeURIComponent('+'); // "%2B"
// send it to your server
window.location = 'http://example.com/?string='+string; // http://example.com/?string=%2B
On your server:
echo $_GET['string']; // "+"
It is...
iOS 7 TextKit - How to insert images inline with text?
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You'll need to use an attributed string and add the image as instance of NSTextAttachment:
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:@"like after"];
NSTextAttachment *textAttachment = [[NSTextAttachment...