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How can I safely encode a string in Java to use as a filename?
... len = s.length();
StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++) {
char ch = s.charAt(i);
if (ch < ' ' || ch >= 0x7F || ch == fileSep || ... // add other illegal chars
|| (ch == '.' && i == 0) // we don't want to collide with "." or ".."!
...
How to set input type date's default value to today?
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304
Like any HTML input field, the browser will leave it empty unless a default value is specified ...
How to change the type of a field?
... |
edited Feb 22 '18 at 8:01
user6039980
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Understanding generators in Python
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409
Note: this post assumes Python 3.x syntax.†
A generator is simply a function which returns a...
Have a div cling to top of screen if scrolled down past it [duplicate]
I have a div which, when my page is first loaded, is about 100px from the top (it holds some buttons etc. for the page).
4 ...
What's the maximum value for an int in PHP?
...P_INT_SIZE, and maximum value using
the constant PHP_INT_MAX since PHP
4.4.0 and PHP 5.0.5.
64-bit platforms usually have a maximum value of about 9E18, except on Windows prior to PHP 7, where it was always 32 bit.
share
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Which is faster: Stack allocation or Heap allocation
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501
Stack allocation is much faster since all it really does is move the stack pointer.
Using memo...
Octave-Gnuplot-AquaTerm error: set terminal aqua enhanced title “Figure 1”…unknown terminal type"
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110
I had to add setenv("GNUTERM","X11") to OCTAVE_HOME/share/octave/site/m/startup/octaverc (OCTAVE...
Tool to read and display Java .class versions
...s.java"
public class MyClass
SourceFile: "MyClass.java"
minor version: 0
major version: 46
...
To only show the version:
WINDOWS> javap -verbose MyClass | find "version"
LINUX > javap -verbose MyClass | grep version
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
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200
There are at least 4 libraries that I am aware of providing lenses.
The notion of a lens is th...