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Creating a copy of a database in PostgreSQL [closed]
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I know this is an old Q/A, but I feel it needs clarification: When @synecdoche says that originaldb must be idle, that means no write possibility at all. "Copying" a database in this fashion does not lock originaldb. PostgreSQL ...
Is it possible to create static classes in PHP (like in C#)?
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I know this is pretty old, but now you could use magic __callStatic so when you call any static method or anything, it will first call __callStatic, there you could see if it was initialized and then do self::$method or whatever...
detect key press in python?
I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while lo...
Calling Java varargs method with single null argument?
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The issue is that when you use the literal null, Java doesn't know what type it is supposed to be. It could be a null Object, or it could be a null Object array. For a single argument it assumes the latter.
You have two choices. Cast the null explicitly to Object or call the method u...
Facebook Callback appends '#_=_' to Return URL
...hy this happens, thanks, I think I'll leave the offending chars in my urls now that I know they're not an issue.
– stephenmurdoch
Mar 8 '17 at 8:56
1
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Creating virtual directories in IIS express
Is there any way to create a virtual directory in IIS express? I know that Cassini can't do this and it would be nice to be able to do this without using a full version of IIS.
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How should I escape strings in JSON?
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@MonoThreaded Thanks for your reply, I still don't know why. but finally, I changed the method to fix it like below, if (c < ' ' || c > 0x7f) { t = "000" + Integer.toHexString(c).toUpperCase(); sb.appe...
How to force an entire layout View refresh?
...e().
ViewGroup vg = findViewById (R.id.mainLayout);
vg.invalidate();
Now, when the Activity resumes, it makes every View to draw itself. No call to invalidate() should be needed. To apply the theme, make sure you do it before any View is drawn, i.e., before setContentView(R.layout.mainscreen);...
How to add -Xlint:unchecked to my Android Gradle based project?
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For deprecation, you can now use this in gradle kotlin script, which is better than modifying compilerArgs because it's type-safe:
tasks.withType<JavaCompile> {
options.isDeprecation = true
}
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Git diff says subproject is dirty
...tain an annoying change in the behavior of git submodule.
Submodules are now regarded as dirty if they have any modified files or untracked files, whereas previously it would only be the case if HEAD in the submodule pointed to the wrong commit.
The meaning of the plus sign (+) in the output...