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How to Remove ReadOnly Attribute on File Using PowerShell?
...ot everyone has those installed and that's not really a case of PowerShell v1 vs. v2.
– Joey
Apr 22 '11 at 9:28
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How to track down a “double free or corruption” error
...de<stdio.h>
#include<stdlib.h>
int main()
{
char *x = malloc(100);
free(x);
free(x);
return 0;
}
[sand@PS-CNTOS-64-S11 testbox]$ vim t1.c
[sand@PS-CNTOS-64-S11 testbox]$ cc -g t1.c -o t1
[sand@PS-CNTOS-64-S11 testbox]$ ./t1
*** glibc detected *** ./t1: double free or corruption (to...
adding noise to a signal in python
I want to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answer...
How to verify Facebook access token?
...e number with your access_token with this API https://graph.accountkit.com/v1.1/me/?access_token=xxxxxxxxxxxx. Maybe, once you have the mobile number and the id, you can work with it to verify the user with your server & database.
xxxxxxxxxx above is the Access Token
Example Response :
{
...
Group by multiple columns in dplyr, using string vector input
...:
data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the columns we want to average within
columns = names(data)[-3]
library(dplyr)
df1 <- data %>...
Set select option 'selected', by value
...easier way that doesn't require you to go into the options tag:
$("div.id_100 select").val("val2");
Check out the this jQuery method.
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Python's json module, converts int dictionary keys to strings
...
Alternatively you can also try converting dictionary to a list of [(k1,v1),(k2,v2)] format while encoding it using json, and converting it back to dictionary after decoding it back.
>>>> import json
>>>> json.dumps(releases.items())
'[[1, "foo-v0.1"]]'
>>>&g...
Max size of an iOS application
...ize the file’s size as much as possible, keeping in mind that there is a 100 MB limit for over-the-air downloads.
This information can be found at iTunes Connect Developer Guide: Submitting the App to App Review.
As of February 12, 2015
(iOS only) App Size
iOS App binary files can be as large a...
Check if a user has scrolled to the bottom
... if($(window).scrollTop() + $(window).height() > $(document).height() - 100) {
alert("near bottom!");
}
});
You can test that version here, just adjust that 100 to whatever pixel from the bottom you want to trigger on.
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What is the official “preferred” way to install pip and virtualenv systemwide?
...ng/index.html
If not :
Update (from the release notes):
Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Additionally, if setuptools (or distribute) is not already installed, get-pip.py will install setuptools for you.
I now run the regular:
curl --silent --...