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Rotate axis text in python matplotlib
...irst to assign the labels,
# otherwise get_xticklabels() will return empty strings.
plt.draw()
ax.set_xticklabels(ax.get_xticklabels(), rotation=45, ha='right')
Option 4
Similar to above, but loop through manually instead.
for label in ax.get_xticklabels():
label.set_rotation(45)
label.set_h...
Do sealed classes really offer performance Benefits?
...MSIL code was emitted.
public class NormalClass {
public void WriteIt(string x) {
Console.WriteLine("NormalClass");
Console.WriteLine(x);
}
}
public sealed class SealedClass {
public void WriteIt(string x) {
Console.WriteLine("SealedClass");
Console.Writ...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...ocalhost socket to work, and it may be of importance if you don't want the extra overhead from sending packets to the router before the database is accessed.
– Kebman
Apr 17 '13 at 22:00
...
PHP parse/syntax errors; and how to solve them
...al syntax error message reads:
Parse error: syntax error, unexpected T_STRING, expecting ';' in file.php on line 217
Which lists the possible location of a syntax mistake. See the mentioned file name and line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer couldn...
Java: getMinutes and getHours
... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java 9 adds some mi...
Changing Java Date one hour back
... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java 9 adds some mi...
How to use unicode characters in Windows command line?
...egistry key HKEY_CURRENT_USER\Software\Microsoft\Command Processor and add String value Autorun = chcp 65001.
Or you can use this small Batch-Script for the most common code pages.
@ECHO off
SET ROOT_KEY="HKEY_CURRENT_USER"
FOR /f "skip=2 tokens=3" %%i in ('reg query HKEY_LOCAL_MACHINE\SYSTEM\C...
javascript: pause setTimeout();
... my edit, I've to answer this myself. My solution makes it possible to use extra arguments as third (3, 4, 5...) parameter and to clear the timer:
function Timer(callback, delay) {
var args = arguments,
self = this,
timer, start;
this.clear = function () {
clearTime...
Why does Java switch on contiguous ints appear to run faster with added cases?
...witchTest10.java
public class SwitchTest10 {
public static void main(String[] args) {
int n = 0;
switcher(n);
}
public static void switcher(int n) {
switch(n) {
case 0: System.out.println(0);
break;
case 1: System.o...
How to create a cron job using Bash automatically without the interactive editor?
...ab -l | grep -v -F "$croncmd" ) | crontab -
Notes:
grep -F matches the string literally, as we do not want to interpret it as a regular expression
We also ignore the time scheduling and only look for the command. This way; the schedule can be changed without the risk of adding a new line to the ...