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How to get CRON to call in the correct PATHs
...to do this.
The systemwide cron file looks like this:
This has the usernam>me m> field, as used by /etc/crontab.
# /etc/crontab: system-wide crontab
# Unlike any other crontab you don't have to run the `crontab'
# command to install the new version when you edit this file.
# This file also has a userna...
How to POST JSON Data With PHP cURL?
... are not json-encoding all of the POST data -- only the value of the "custom>me m>r" POST field. Instead, do som>me m>thing like this:
$ch = curl_init( $url );
# Setup request to send json via POST.
$payload = json_encode( array( "custom>me m>r"=> $data ) );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $payload );
c...
How to use the PI constant in C++
I want to use the PI constant and trigonom>me m>tric functions in som>me m> C++ program. I get the trigonom>me m>tric functions with include <math.h> . However, there doesn't seem to be a definition for PI in this header file.
...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...将char*转换成CString，除了直接赋值外，还可使用CString::format进行。例如：
char chArray[] = "This is a test";
char * p = "This is a test";
或
LPSTR p = "This is a test";
或在已定义Unicode应的用程序中
TCHAR * p = _T("This is a test");
或
LPTSTR p =...
What are the benefits of learning Vim? [closed]
As a programm>me m>r I spend a lot of hours at the keyboard and I've been doing it for the last 12 years, more or less. If there's som>me m>thing I've never gotten used to during all this tim>me m>, it's these annoying and almost unconscious constant micro-interruptions I experience while coding, due to som>me m> of th...
Command to change the default hom>me m> directory of a user
I would like to know whether there is any simple shell command to change the user hom>me m> directory in Linux/Unix (one similar to chsh which changes the default login shell of an existing valid user) without touching the /etc/passwd file. Thanks
...
How do I make a textbox that only accepts numbers?
I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more g...
cannot download, $GOPATH not set
...
[Update: as of Go 1.8, GOPATH defaults to $HOm>ME m>/go, but you may still find this useful if you want to understand the GOPATH layout, customize it, etc.]
The official Go site discusses GOPATH and how to lay out a workspace directory.
export GOPATH="$HOm>ME m>/your-workspace-...
What is the difference between require and require-dev sections in composer.json?
...o little about it and have a little experience with web application developm>me m>nt.
6 Answers
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How can I insert values into a table, using a subquery with more than one result?
...:
insert into prices (group, id, price)
select
7, articleId, 1.50
from article where nam>me m> like 'ABC%';
where you just hardcode the constant fields.
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