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How can I check if string contains characters & whitespace, not just whitespace?
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The way I read the question, is says that /any/ whitespace is allowed, as long as the string isn't /only/ whitespace. It is silent on what to do if the string is empty, so it may be that nickf's answer is still better.
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Datetime equal or greater than today in MySQL
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SELECT * FROM myTable WHERE DATE(myDate) = DATE(NOW())
Read more:
http://www.tomjepson.co.uk/tutorials/36/mysql-select-where-date-today.html
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Which is the correct shorthand - “regex” or “regexp” [closed]
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@Shi Warcraft players almost always read or write "exp".
– Navid Vafaei
Apr 30 '18 at 16:27
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HTML5 check if audio is playing?
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While I am really late to this thread, I use this implementation to figure out if the sound is playing:
service.currentAudio = new Audio();
var isPlaying = function () {
return service.currentAudio
&& service.currentAudio.currentTime &g...
What exactly is a Context in Java? [duplicate]
I Googled this and read the Java documentation, but I'm a bit confused. Can somebody please explain what a Context is in plain English?
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Javascript Equivalent to PHP Explode()
...Splitting it with : as the separator
var myarr = mystr.split(":");
//Then read the values from the array where 0 is the first
//Since we skipped the first element in the array, we start at 1
var myvar = myarr[1] + ":" + myarr[2];
// Show the resulting value
console.log(myvar);
// 'TEMP:data'
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When to use LinkedList over ArrayList in Java?
...) for index = 0.
ArrayList<E>, on the other hand, allow fast random read access, so you can grab any element in constant time. But adding or removing from anywhere but the end requires shifting all the latter elements over, either to make an opening or fill the gap. Also, if you add more elem...
Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
... a control. I don't want to change the value of a control from the child thread. I'm not going to do it ever from a child thread.
So only accessing the value so that corresponding data can be fetched from the database.
The solution you want then should look like:
UserContrl1_LOadDataMethod()
{
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What are the differences between “git commit” and “git push”?
...cture from Oliver Steele, that explains the git model and the commands:
Read more about git push and git pull on GitReady.com (the article I referred to first)
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How do servlets work? Instantiation, sessions, shared variables and multithreading
...tore their scoped beans as an attribute of its closest matching scope.
Thread Safety
That said, your major concern is possibly thread safety. You should now know that servlets and filters are shared among all requests. That's the nice thing about Java, it's multithreaded and different threads (re...