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Query a parameter (postgresql.conf setting) like “max_connections”
...ne know if it's even possible (and how, if yes) to query a database server setting in PostgreSQL (9.1)?
1 Answer
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String replacement in batch file
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You can use !, but you must have the ENABLEDELAYEDEXPANSION switch set.
setlocal ENABLEDELAYEDEXPANSION
set word=table
set str="jump over the chair"
set str=%str:chair=!word!%
share
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impr...
Programmatically set left drawable in a TextView
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You can use setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom)
set 0 where you don't want images
Example for Drawable on the left:
TextView textView = (TextView) findViewById(R.id.myTxtView);
textView.setCo...
Python, Matplotlib, subplot: How to set the axis range?
How can I set the y axis range of the second subplot to e.g. [0,1000] ?
The FFT plot of my data (a column in a text file) results in a (inf.?) spike so that the actual data is not visible.
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Heatmap in matplotlib with pcolor?
...mport urlopen
import numpy as np
%pylab inline
page = urlopen("http://datasets.flowingdata.com/ppg2008.csv")
nba = pd.read_csv(page, index_col=0)
# Normalize data columns
nba_norm = (nba - nba.mean()) / (nba.max() - nba.min())
# Sort data according to Points, lowest to highest
# This was just a d...
Search for one value in any column of any table inside a database
...ATE TABLE #Results (ColumnName nvarchar(370), ColumnValue nvarchar(3630))
SET NOCOUNT ON
DECLARE @TableName nvarchar(256), @ColumnName nvarchar(128), @SearchStr2 nvarchar(110)
SET @TableName = ''
SET @SearchStr2 = QUOTENAME('%' + @SearchStr + '%','''')
WHILE @TableName IS NOT NULL
BEGIN
SET ...
How do I have to configure the proxy settings so Eclipse can download new plugins?
... same issues described in OP.
After a few more tries, I cleared the proxy settings for SOCKS protocol, and I was able to connect to the marketplace.
So the solution for me was to configure the manual settings for HTTP and HTTPS proxy, clear the settings for SOCKS, and restart Eclipse.
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Can an AJAX response set a cookie?
Can an AJAX response set a cookie? If not, what is my alternative solution? Should I set it with Javascript or something similar?
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How do I make jQuery wait for an Ajax call to finish before it returns?
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If you don't want the $.ajax() function to return immediately, set the async option to false:
$(".my_link").click(
function(){
$.ajax({
url: $(this).attr('href'),
type: 'GET',
async: false,
cache: false,
timeout: 30000,
fail: functi...
Force drop mysql bypassing foreign key constraint
...e from a search.
Make sure you're trying to drop a table and not a view.
SET foreign_key_checks = 0;
-- Drop tables
drop table ...
-- Drop views
drop view ...
SET foreign_key_checks = 1;
SET foreign_key_checks = 0 is to set foreign key checks to off and then SET foreign_key_checks = 1 is to set ...