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Difference between freeze and seal
... @AlanDong A bit late in coming, but here is why you want to lock down an object.One of JavaScript’s features is that you can add a property any time you like; you can also do this accidentally by mis-typing. Many of my students have tried to add an event handler called onClick or onlick ...
How to use ELMAH to manually log errors
...rLog.Log(): it throws in case the log call itself fails, possibly bringing down the whole web app. Raise() fails silently. For instance: if there is a misconfiguration issue on the server-side (e.g. Elmah is configured to save the errors to disk, but does not have the correct access to the logs fold...
git update-index --assume-unchanged returns “fatal unable to mark file”
...or "fatal: Unable to mark file".
I thought that perhaps it was a bug, and downloaded the latest version of git, but this did not help.
What I finally realized is that this command is case sensitive! This includes the full path and file name. After updating path to the directory so that the full ...
Difference between float and decimal data type
...for more details. If that's the case, I suggest biting the bullet, sitting down with them for a couple of hours, and really walking through your application. What exactly, and in great detail, is your data being used for?
– Michael Petrotta
Mar 2 '11 at 3:38
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How to create a memory leak in Java?
...unmanaged threads mostly, don't wish to even touch swing.
Runtime.addShutdownHook and not remove... and then even with removeShutdownHook due to a bug in ThreadGroup class regarding unstarted threads it may not get collected, effectively leak the ThreadGroup. JGroup has the leak in GossipRouter.
C...
Debug.Assert vs Exception Throwing
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I guess it all comes down to how defensively you want to code.
– Ned Batchelder
Sep 23 '09 at 18:08
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Is multiplication and division using shift operators in C actually faster?
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Just downloaded an arduino sketch that has millis() >> 2; Would it have been too much to ask to just divide?
– Paul Wieland
Jun 10 '16 at 10:41
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Is there a standard way to list names of Python modules in a package?
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I agree this is a roundabout way but it sent me down a rabbit hole to see how help() works. Anyway, the built-in pydoc module can help spit out the string that help() paginates: import pydoc; pydoc.render_doc('mypackage').
– sraboy
Ma...
How to programmatically get iOS status bar height
... I noticed a corner case (when rotating from right > unsupported upside-down > left) for which it didn't work (switched height & width).
BOOL isPortrait = self.interfaceOrientation == UIInterfaceOrientationPortrait;
CGSize statusBarSize = [UIApplication sharedApplication].statusBarFrame.s...
What's the difference between an element and a node in XML?
...Svenbjorgchristiensensen that's not quite accurate. Elements can be broken down further into 'constituent parts' like protons, neutrons and electrons, which in turn can be broken into quarks, neutrinos, etc. It's better to understand what a 'node' means in graph theory, and then you'll understand w...