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psql: could not connect to server: No such file or directory (Mac OS X)
... command to see if there were any PG processes running. for me there were none, I couldn't even start the PG server:
ps auxw | grep post
I searched for the file .s.PGSQL.5432 that was in the error message above. i used the following command:
sudo find / -name .s.PGSQL.5432 -ls
this didn't show ...
Convert a JSON String to a HashMap
...ublic static Map<String, Object> jsonToMap(JSONObject json) throws JSONException {
Map<String, Object> retMap = new HashMap<String, Object>();
if(json != JSONObject.NULL) {
retMap = toMap(json);
}
return retMap;
}
public static Map<String, Object> to...
How do I pass the value (not the reference) of a JS variable to a function? [duplicate]
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@John: one of JSLint's overzealous warnings, IMO. Adhering to Crockford's laws of writing JavaScript is completely optional, which is why I use JSHint with most warnings that assume I might not understand the code I'm writing switc...
Reload content in modal (twitter bootstrap)
...dal does get refreshed each time but it creates two modal windows. Does anyone else get this?
– Mr B
Nov 8 '13 at 12:04
1
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How do I read an attribute on a class at runtime?
... Method, etc...)
/// <remarks>
/// If there is more than one member of the same name in the class, it will return the first one (this applies to overloaded methods)
/// </remarks>
/// <example>
/// Read System.ComponentModel Description Attribute from method...
Converting a view to Bitmap without displaying it in Android?
...ndered bitmap.
Here's the method which ended up working for my case. With one caveat, however. prior to calling getViewBitmap(View) I inflated my view and asked it to layout with known dimensions. This was needed since my view layout would make it zero height/width until content was placed inside.
...
Java associative-array
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'List' is an abstract class and 'ArrayList' is one of the implementations of that class, there are other type of lists derived from the same abstract class. So because of this an ArrayList is also a List. You cannot create an instance of an abstract class, just use it as ...
R command for setting working directory to source file location in Rstudio
...me. So changing the working directory to that of the current file can be done with:
setwd(getSrcDirectory()[1])
This does not work in RStudio if you Run the code rather than Sourceing it. For that, you need to use rstudioapi::getActiveDocumentContext.
setwd(dirname(rstudioapi::getActiveDocumen...
Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat
...of, but, then again, I have not researched this point. IMHO, off the cuff, one or both of those JAR files feel mis-packaged, as the module in common should be factored out into its own JAR.
– CommonsWare
Jan 21 '14 at 21:15
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How to force Chrome browser to reload .css file while debugging in Visual Studio?
...
There are much more complicated solutions, but a very easy, simple one is just to add a random query string to your CSS include.
Such as src="/css/styles.css?v={random number/string}"
If you're using php or another server-side language, you can do this automatically with time(). So it wou...