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Collisions when generating UUIDs in JavaScript?
... reason (bizarre as that sounds). This is the first report I've seen of anyone getting collisions.
node-uuid has a test harness that you can use to test the distribution of hex digits in that code. If that looks okay then it's not Math.random(), so then try substituting the UUID implementation you...
Are +0 and -0 the same?
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@Chris, limit of double precision exponent is e±308, your number can be represented only in denormalized form and different implementations have different opinions about where to support them at all or not. The point is, on some machines in some floating point ...
Java Name Hiding: The Hard Way
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To make it clear for everyone else: This solution does not work as soon as you have doSomething anywhere in the inheritance hierarchy (due to how method call targets are resolved). So Knuth help you if you want to call a toString method. The solution ...
How do I make a WinForms app go Full Screen
... e)
{
this.TopMost = true;
this.FormBorderStyle = FormBorderStyle.None;
this.WindowState = FormWindowState.Maximized;
}
But, interestingly, if you swap those last two lines the Taskbar remains visible. I think the sequence of these actions will be hard to control with the properties wi...
How do I create a file and write to it in Java?
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@leonbloy I know this is an old comment, but if anyone sees this would you mind explaining why is not "always beneficial"? At least here it says "top efficient" docs.oracle.com/javase/1.5.0/docs/api/java/io/…
– Juan
Feb 12 '13 at 17:27...
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
...can also use df.dropna(subset = ['column_name']). Hope that saves at least one person the extra 5 seconds of 'what am I doing wrong'. Great answer, +1
– James Tobin
Jun 18 '14 at 14:07
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Computed read-only property vs function in Swift
...an get and/or set. I use functions (or methods) when actual work is being done. Maybe something has to be computed or read from disk or from a database: In this case I use a function, even when only a simple value is returned. That way I can easily see whether a call is cheap (properties) or possibl...
How to check if object has any properties in JavaScript?
...edited Dec 4 '18 at 3:39
Reese Jones
6855 bronze badges
answered Apr 20 '10 at 6:49
Daniel VassalloDaniel Vass...
How to check whether a given string is valid JSON in Java
...alid(String test) {
try {
new JSONObject(test);
} catch (JSONException ex) {
// edited, to include @Arthur's comment
// e.g. in case JSONArray is valid as well...
try {
new JSONArray(test);
} catch (JSONException ex1) {
return f...
Cannot change version of project facet Dynamic Web Module to 3.0?
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If none of the above and below solutions if not work kindly go through this link 100% it will work.
– Raki
Mar 16 '18 at 3:52
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