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What is an efficient way to implement a singleton pattern in Java? [closed]
...oshua Bloch explained this approach in his Effective Java Reloaded talk at Google I/O 2008: link to video. Also see slides 30-32 of his presentation (effective_java_reloaded.pdf):
The Right Way to Implement a Serializable Singleton
public enum Elvis {
INSTANCE;
private final String[] fa...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
... when the user scrolled after he saw the prompt
In addition, you can bind Google Analytics events to track user's scrolling behavior.
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Node.js app can't run on port 80 even though there's no other process blocking the port
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Yep this was probably the easiest way to do it. I'm on Google Cloud Compute which gave me issues when touching Port 80. This was great. Thanks.
– Andy
May 4 '17 at 17:14
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How to center icon and text in a android button with width set to “fill parent”
...n use the MaterialButton now which lets setting the icon gravity.
<com.google.android.material.button.MaterialButton
android:id="@+id/btnDownloadPdf"
android:layout_width="0dp"
android:layout_height="56dp"
android:layout_margin="16dp"
android:gravity="cent...
Create a File object in memory from a string in Java
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Cannot request write permission (it's Google AppEngine)
– Jon Romero
Aug 16 '11 at 19:25
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Custom exception type
... @b.long It's in "JavaScript: The Good Parts" (great book IMO). This Google Books preview shows the section: books.google.com/books?id=PXa2bby0oQ0C&pg=PA32&lpg=PA32
– orip
Feb 14 '13 at 8:24
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Is it possible to make relative link to image in a markdown file in a gist?
...s page https://gist.github.com/cben/) omit the trailing slash :-(
Gists in Google search results omit the trailing slash :-(
(You could use relative path 46d9536baacb7c5d196c/raw/dodgetocat_v2.png that would only work without trailing slash, but that's also questionable idea, and less worth it —...
Finding JavaScript memory leaks with Chrome
... still don't get it after studying this documentation.
https://developers.google.com/chrome-developer-tools/docs/javascript-memory-profiling
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What is the equivalent of “!=” in Excel VBA?
...@Roland This has to do with how VBA stores strings in memory. I'll let you Google for a fuller explanation, but in short, part of how strings are stored is that the first bytes store the length of the string, then the following bytes store the characters: [3][C][A][T]. An "empty" string has a [0] fo...
Worst security hole you've seen? [closed]
...ity hole, and unfortunately a very common and easy to find one at that, is Google hacking. Case in point:
http://www.google.com/search?q=inurl%3Aselect+inurl%3A%2520+inurl%3Afrom+inurl%3Awhere
It's amazing how many pages on the Internet, government sites in particular, pass an SQL query through th...