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notifyDataSetChange not working from custom adapter
When I repopulate my ListView , I call a specific method from my Adapter .
11 Answers
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Perform an action in every sub-directory using Bash
...n a script that needs to perform an action in every sub-directory of a specific folder.
9 Answers
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Postgres could not connect to server
... -D /usr/local/var/postgres -- it will give you a much more verbose output if postgres fails to start.
In my case, running rm -rf /usr/local/var/postgres && initdb /usr/local/var/postgres -E utf8 removed my old databases and then reinitialized the postgres db schema.
Thanks to https://gi...
How to print matched regex pattern using awk?
...lt is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
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How to interpolate variables in strings in JavaScript, without concatenation?
...introduced in ES2015 (ES6).
Example
var a = 5;
var b = 10;
console.log(`Fifteen is ${a + b}.`);
// "Fifteen is 15.
How neat is that?
Bonus:
It also allows for multi-line strings in javascript without escaping, which is great for templates:
return `
<div class="${foo}">
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How to use int.TryParse with nullable int? [duplicate]
I am trying to use TryParse to find if the string value is an integer. If the value is an integer then skip foreach loop. Here is my code.
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kill -3 to get java thread dump
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Yes - at the point in time it is run. You can also specify -l (lowercase L) for a long listing that prints additional lock information
– Joshua McKinnon
Feb 2 '11 at 18:44
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How to obtain the query string from the current URL with JavaScript?
...e
Notice that the browser support is still limited on this interface, so if you need to support legacy browsers, stick with the first example or use a polyfill.
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Find all files in a directory with extension .txt in Python
...)
or simply os.listdir:
import os
for file in os.listdir("/mydir"):
if file.endswith(".txt"):
print(os.path.join("/mydir", file))
or if you want to traverse directory, use os.walk:
import os
for root, dirs, files in os.walk("/mydir"):
for file in files:
if file.endswith...
How Do You Clear The IRB Console?
... With zsh ctrl + L doesn't work, ctrl + K does. (Oh My ZSH to be specific)
– SidOfc
Jul 20 '15 at 14:33
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