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Getting current directory in .NET web application
...will be changing in the future. This method is running in my imageProcess.aspx.cs file, but where I thought it would return:
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Get all child views inside LinearLayout at once
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Get all views of a view plus its children recursively in Kotlin:
private fun View.getAllViews(): List<View> {
if (this !is ViewGroup || childCount == 0) return listOf(this)
return children
.toList()
.flatMap { it.getAllViews() }
.plus(this as View...
Adding a column to a data.frame
...onsecutive number len times
get.seq <- mapply(from, to, 1:length(from), FUN = function(x, y, z) {
len <- length(seq(from = x[1], to = y[1]))
return(rep(z, times = len))
})
# when we unlist, we get a vector
your.df$group <- unlist(get.seq)
# and append it to...
How can I change an element's text without changing its child elements?
...an filter only node type of "TEXT", w3schools.com/jsref/prop_node_nodetype.asp for more info
– ktutnik
Jan 9 '15 at 4:09
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Mechanisms for tracking DB schema changes [closed]
...the team. I've faced this problem for many years, and was inspired by the functionality of Visual Studio for Database professionals. If you want an open-source tool with the same features, try this: http://dbsourcetools.codeplex.com/
Have fun,
- Nathan.
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Difference between Visibility.Collapsed and Visibility.Hidden
...avigate o different pages and do stuff
– software is fun
Apr 30 '15 at 14:58
In Chrome, we had to use <div style="d...
Generate random password string with requirements in javascript
...Password = {
_pattern : /[a-zA-Z0-9_\-\+\.]/,
_getRandomByte : function()
{
// http://caniuse.com/#feat=getrandomvalues
if(window.crypto && window.crypto.getRandomValues)
{
var result = new Uint8Array(1);
window.crypto.getRandomValues(result);
ret...
Timertask or Handler
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TimerTask vs Thread.sleep vs Handler postDelayed - most accurate to call function every N milliseconds?
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
...to each other, they are entirely different thing, they just share a common token, i.e. *.
An alternate syntax
In fact, if it is not permitted to name a field as same as its table name, RDBMS language designer could give COUNT(tableNameHere) the same semantics as COUNT(*). Example:
For counting ro...
System.Timers.Timer vs System.Threading.Timer
...ecutes on the UI thread.
System.Web.UI.Timer
(.NET Framework only), an ASP.NET component that performs asynchronous
or synchronous web page postbacks at a regular interval.
It is interesting to mention that System.Timers.Timer was deprecated with .NET Core 1.0, but was implemented again i...