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How can I negate the return-value of a process?
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Previously, the answer was presented with what's now the first section as the last section.
POSIX Shell includes a ! operator
Poking around the shell specification for other issues, I recently (September 2015) noticed that the POSIX shell supports a ! operator. For examp...
How can I turn off Visual Studio 2013 Preview?
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Although the icon is a bit different now, this (and the other answers maybe) also work if you want to stop VS from closing the search list in the first hit when using Ctrl+[comma] to find a file/class
– Felipe Pereira
Apr 1...
Expert R users, what's in your .Rprofile? [closed]
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I'm not sure, but I think that now X11.options has been replace by windows.options. Is that true?
– Manuel Ramón
Nov 4 '11 at 7:17
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Opacity of div's background without affecting contained element in IE 8?
...lists a few other browsers it doesn't work in, but they're all very old by now; all browsers in current use except IE6/7/8 will work with rgba colours.
The good news is that you can force IE to work with this as well, using a hack called CSS3Pie. CSS3Pie adds a number of modern CSS3 features to old...
Delete column from pandas DataFrame
...index/columns keywords as an alternative to specifying the axis.
So we can now just do:
df.drop(columns=['B', 'C'])
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How can I use goto in Javascript?
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z++;
}
x++;
}
So say the code gets encoded to bytecodes so now you must put the bytecodes into JavaScript to simulate your backend for some purpose.
JavaScript style:
LOOP1: do {
if (x >= 10) break LOOP1;
if (!Ok) break LOOP1;
z = 0;
LOOP2: do {
if (z >= 10) break...
What are best practices for validating email addresses on iOS 2.0
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Read the RFC. Almost everyone that thinks they know how to parse/clean/validate an email address is wrong.
http://tools.ietf.org/html/rfc2822
Section 3.4.1 is very useful. Notice
dtext = NO-WS-CTL / ; Non white space controls
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The model used to open the store is incompatible with the one used to create the store
...s that.. cant help.. nywaz, here goes my up vote.. the best i can do right now to appreciate your guidelines.. thanks a lot for the help mate.!!
– Apple_iOS0304
Oct 6 '12 at 15:20
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junit & java : testing non-public methods [duplicate]
...it test, you have to do a subtle mind shift: "I'm a client of my own class now." That means private is private, and you only test the behavior that the client sees.
If the method really should be private, I'd consider it a design flaw to make it visible just for the sake of testing. You've got ...
How can I configure my makefile for debug and release builds?
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I don't know if I'm doing something strange, but to get the debug if statement to work (ifeq (DEBUG, 1)) for me, the DEBUG variable needed wrapped in parentheses like so: ifeq ($(DEBUG), 1).
– shanet
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