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Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...t-specific problems. Packageless servlets work only in specific Tomcat+JDK combinations and this should never be relied upon.
In case of a "plain" IDE project, the class needs to be placed in its package structure inside "Java Resources" folder and thus not "WebContent", this is for web files such...
GridLayout and Row/Column Span Woe
...eputation necessary.
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:columnCount="9"
android:orientation="horizontal"
android:rowCount="8" >
<Button
android:layout_columnSpan="2"
...
Running script upon login mac [closed]
...lp me out with getting a .sh file to run when I log in to my account on my computer. I am running Mac OS X 10.6.7.
3 Answer...
How to parse a JSON string to an array using Jackson
...
@hitesh141 ObjectMapper is a member of com.fasterxml.jackson.databind.ObjectMapper
– Chu
Nov 21 '16 at 8:21
add a comment
...
https connection using CURL from command line
...o which I need to connect from Machine A (a linux machine)
I tried this on command prompt
10 Answers
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Pinging servers in Python
...tting the operating system name
import subprocess # For executing a shell command
def ping(host):
"""
Returns True if host (str) responds to a ping request.
Remember that a host may not respond to a ping (ICMP) request even if the host name is valid.
"""
# Option for the numbe...
Has anyone ever got a remote JMX JConsole to work?
...ur Java process.
You need access to your linux machine via SSH login. All Communication will be tunneled over the SSH connection.
TIP: This Solution works no matter if there is a firewall or not.
Disadvantage: Everytime you restart your java process, you will need to do all steps from 4 - 9 again...
How can one check to see if a remote file exists using PHP?
...od via CURLOPT_NOBODY.
More or less
$ch = curl_init("http://www.example.com/favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch);
Anyway, you only s...
Inject errors into already validated form?
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@scompt: thanks, fixed. @Weeble: _errors is part of the public form API, despite its name; see insin's answer for a docs link.
– John Millikin
May 21 '10 at 20:38
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Rails params explained?
Could anyone explain params in Rails controller: where they come from, and what they are referencing?
5 Answers
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