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How to get a specific output iterating a hash in Ruby?
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True enough. I had letters in my test version. Fixed, using the even better "#{k}----".
– glenn mcdonald
Aug 5 '09 at 2:22
add a c...
INNER JOIN vs LEFT JOIN performance in SQL Server
...s, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got significantly improved.
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how to install gcc on windows 7 machine?
I have MinGW on my windows 7 machine. I wish to install and use complete gcc for C compiler. I found there is no single pre-compiled ready-made installation file for this purpose. I checked the following page : http://gcc.gnu.org/install/
It is difficult and I find it above my level of understandi...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
How can I get programmatically get the version code or version name of my apk from the AndroidManifest.xml file after downloading it and without installing it.
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What does Visual Studio mean by normalize inconsistent line endings?
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That option does not appear on my File menu for my Visual Studio 2010 Ultimate Version 10.0.40219.1 SP1Rel.
– DOK
Jul 11 '12 at 12:56
1
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Read .mat files in Python
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e.g. save('myfile.mat','-v7')
– watsonic
Apr 22 '15 at 22:32
add a comment
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How can I safely create a nested directory?
...n Python ≥ 3.5, use pathlib.Path.mkdir:
from pathlib import Path
Path("/my/directory").mkdir(parents=True, exist_ok=True)
For older versions of Python, I see two answers with good qualities, each with a small flaw, so I will give my take on it:
Try os.path.exists, and consider os.makedirs for ...
Unable to set data attribute using jQuery Data() API
....fn.data() update the corresponding html 5 data-* attributes?
The demo on my original answer below doesn't seem to work any more.
Updated answer
Again, from the .data() documentation
The treatment of attributes with embedded dashes was changed in jQuery 1.6 to conform to the W3C HTML5 specifi...
How to open, read, and write from serial port in C?
...ace parity, which is uncommon. For most applications, it can be omitted. My header file /usr/include/bits/termios.h enables definition of CMSPAR only if the preprocessor symbol __USE_MISC is defined. That definition occurs (in features.h) with
#if defined _BSD_SOURCE || defined _SVID_SOURCE
#de...
Is it possible to append to innerHTML without destroying descendants' event listeners?
...t handlers), you'll need to use DOM functions:
function start() {
var myspan = document.getElementById("myspan");
myspan.onclick = function() { alert ("hi"); };
var mydiv = document.getElementById("mydiv");
mydiv.appendChild(document.createTextNode("bar"));
}
Edit: Bob's solution...