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What is IP address '::1'?
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Xaqron, maybe a firewall is blocking v4 but not v6 traffic?
– SilverbackNet
Jan 6 '11 at 3:25
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How can I pass a parameter to a Java Thread?
...passing a parameter to an anonymous class, with the use of the initializer blocks. Consider this:
String someValue = "Another demo, no serious thing...";
int anotherValue = 42;
new Thread(new Runnable() {
private String myParam;
private int myOtherParam;
{
this.myParam = someVa...
How to open the default webbrowser using java
...ion | URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}else{
Runtime runtime = Runtime.getRuntime();
try {
runtime.exec("xdg-open " + url);
} catch (IOException e...
How to stop a goroutine
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In my case, I have a goroutine that will be blocked on a system call, and I need to tell it to abort the system call and then exit. If I were blocked on a channel read, it would be possible to do as you suggest.
– Omnifarious
Feb ...
Changing one character in a string
...explicitly to avoid trouble. Everything is machine-oriented. I worked with PHP before learning Python, and that language is a total mess. Regarding your note on fast CPUs I'm totally with you. But a part of that problem is the popular disapproval of premature optimization, which leads to slow interp...
How to know if an object has an attribute in Python
...ll it and either let the exception propagate, or trap it with a try/except block. This will likely be faster than hasattr. If the property is likely to not be there most of the time, or you're not sure, using hasattr will probably be faster than repeatedly falling into an exception block.
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MySQL select 10 random rows from 600K rows fast
...d 2Gb size. See here my code: Fast selection of random rows in MySQL
<?php
$time= microtime_float();
$sql='SELECT COUNT(*) FROM pages';
$rquery= BD_Ejecutar($sql);
list($num_records)=mysql_fetch_row($rquery);
mysql_free_result($rquery);
$sql="SELECT id FROM pages WHERE RAND()*$num_records<2...
How to compare two floating point numbers in Bash?
...thon. You have perl installed by default on many Linux/Unix systems.. even php also
– anubhava
Jul 19 '17 at 15:44
1
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How to extract text from a PDF? [closed]
...ve have working examples for many languages including: Java, .NET, Python, PHP, Ruby, and others.
I hope it helps.
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Android SQLite DB When to Close
... way, you can easily check if the database is already in use by calling isDbLockedByCurrentThread or isDbLockedByOtherThreads on the single SQLiteDatabase object every time before you use it. this will prevent multiple manipulations to the database and save your application from a potential crash
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