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How to iterate through a DataTable
... also use linq extensions for DataSets:
var imagePaths = dt.AsEnumerble().Select(r => r.Field<string>("ImagePath");
foreach(string imgPath in imagePaths)
{
TextBox1.Text = imgPath;
}
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How to restart a rails server on Heroku?
...ple web processes or worker processes, each labeled with a number, you can selectively restart one of them:
heroku ps:restart web.2 --app app_name
heroku ps:restart worker.3 --app app_name
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Python: Get relative path from comparing two absolute paths
...PurePath.parents()), taking the intersection of all these parent sets, and selecting the longest common prefix.
PPPPPS: Python 3.5 introduced a proper solution to this question: os.path.commonpath(), which returns a valid path.
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Can someone explain how to implement the jQuery File Upload plugin?
...view"/><span style="display:none">Drag and drop files or click to select</span>');
var widthImg=$('.dropper-dropzone').attr('width');
$('#imgPreview').attr({width:widthImg});
$('#imgPreview').attr({src:res.data});
})
}
function image_preview(file){
var def = new...
Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...h
declare @error int, @message varchar(4000), @xstate int;
select @error = ERROR_NUMBER(), @message = ERROR_MESSAGE(), @xstate = XACT_STATE();
if @xstate = -1
rollback;
if @xstate = 1 and @trancount = 0
rollback
if @xstate = 1 and @tran...
Scrolling child div scrolls the window, how do I stop that?
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The selected solution is a work of art. Thought it was worthy of a plugin....
$.fn.scrollGuard = function() {
return this
.on( 'wheel', function ( e ) {
var event = e.originalEvent;
var d = ev...
What's a simple way to get a text input popup dialog box on an iPhone
...wordPrompt = UIAlertController(title: "Enter Password", message: "You have selected to enter your passwod.", preferredStyle: UIAlertControllerStyle.Alert);
passwordPrompt.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.Default, handler: { (action) -> Void in
// Now do ...
App Inventor 2 百度网盘拓展：授权、文件列表、下载、上传 · App Inventor 2 中文网
...用专属目录）。
when 列表显示框1.AfterPicking() {
var fsId = selectListItem(fileIds, 列表显示框1.SelectionIndex)
标签_状态.Text = "下载中…"
BaiduPan1.DownloadByFsId(fsId, join("/storage/emulated/0/Download/", 列表显示框1.Selection))
}
when BaiduPan1.DownloadSucc...
How to make MySQL handle UTF-8 properly
...til just recently), and not complete (does not discuss correctly inserting/selecting utf8-encoded data, nor displaying in html).
– Rick James
Jan 20 '16 at 3:28
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Detect If Browser Tab Has Focus
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onblur|.blur/onfocus|.focus "duplicate" calls
window losing focus through selection of alternate app, like word
This tends to be undesirable simply because, if you have a bank page open, and it's onblur event tells it to mask the page, then if you open calculator, you can't see the page anymore!
...