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Enabling ProGuard in Eclipse for Android
...to be seen... Despite doing the export multiple times, restarting Eclipse, etc. Any idea why? and how to fix this? Thanks.
– Bill The Ape
Jan 6 '12 at 2:54
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Adding two numbers concatenates them instead of calculating the sum
...run into several bugs (if the string begins with "0", the radix is octal/8 etc.).
var x = parseInt(stringValueX, 10);
var y = parseInt(stringValueY, 10);
alert(x + y);
Hope this helps!
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Is recursion ever faster than looping?
... of steps: a sequence of instructions: i.e.: do this first, do this after, etc. An imperative sequence of instructions. Even one line expressions are "an imperative sequence of instructions". If you have an expression with a specific "order of evaluation" then you have steps. It means than even a si...
How can I generate a self-signed certificate with SubjectAltName using OpenSSL? [closed]
...y the built-in openssl program. On recent Debian systems it is located at /etc/ssl/openssl.cnf
You can determine which openssl.cnf is being used by adding a spurious XXX to the file and see if openssl chokes.
First, modify the req parameters. Add an alternate_names section to openssl.cnf with th...
Using ping in c#
... InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Ping p = new Ping();
PingReply r;
string s;
s = textBox1.Text;
r = p.Send(s);
i...
What do the return values of node.js process.memoryUsage() stand for?
... Scheme first.
A running program is always represented through some space allocated in memory. This space is called Resident Set. V8 uses a scheme similar to the Java Virtual Machine and divides the memory into segments:
Code: the actual code being executed
Stack: contains all value types (prim...
Making heatmap from pandas DataFrame
...t instead of %matplotlib inline and finish with plt.show() in order to actually see the plot.
– tsveti_iko
Jul 23 '19 at 15:19
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Django Forms: if not valid, show form with error message
...ee. I return the same form that I got in. The error messages have automatically been added to it by the is_valid() function.
– user984003
Feb 1 '13 at 13:57
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FFMPEG (libx264) “height not divisible by 2”
...vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Basically, .h264 needs even dimensions so this filter will:
Divide the original height and width by 2
Round it up to the nearest pixel
Multiply it by 2 again, thus making it an even number
Add black padding pixels up to this num...
How do you debug a regex? [closed]
...er programming languages that also adhere to the PCRE standard (Perl, PHP, etc...).
(...)
Runs on Linux, Unix, Windows, Mac.
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