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How to get error message when ifstream open fails
...strerror': This function or variable may be unsafe. Consider using strerror_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details. 1> C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\string.h(168) : see declaration of 'strerror'
...
Add days to JavaScript Date
... for Date: var result = new Date(date);, see http://www.w3schools.com/js/js_dates.asp. Even if this usually work, sometimes can lead to wrong results because of conversion to string and vice versa. It should be var result = new Date(date.getTime());
– Marcin
No...
python requests file upload
...
If upload_file is meant to be the file, use:
files = {'upload_file': open('file.txt','rb')}
values = {'DB': 'photcat', 'OUT': 'csv', 'SHORT': 'short'}
r = requests.post(url, files=files, data=values)
and requests will send a multi...
Get/pick an image from Android's built-in Gallery app programmatically
...ing at the response from our own action
private static final int SELECT_PICTURE = 1;
private String selectedImagePath;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
findViewById(R.id.Button0...
Retrieving the last record in each group - MySQL
...is standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1;
Below is the original answer I wrote for this question in 2009:
...
Is there an easy way to add a border to the top and bottom of an Android View?
...move the solid if you don't want a fill. The set background="@drawable/your_shape_drawable" on your layout/view.
Option 2: Background View
Here's a little trick I've used in a RelativeLayout. Basically you have a black square under the view you want to give a border, and then give that view some p...
How to get root access on Android emulator?
...hese answers are all unnecessarily complicated :)
$ > adb shell
generic_x86:/ $
generic_x86:/ $ exit
$ > adb root
restarting adbd as root
$ > adb shell
generic_x86:/ #
share
|
improve thi...
Use RSA private key to generate public key?
... compatible with OpenSSH. Append the public key to remote:~/.ssh/authorized_keys and you'll be good to go
docs from SSH-KEYGEN(1)
ssh-keygen -y [-f input_keyfile]
-y This option will read a private OpenSSH format file and print an OpenSSH public key to stdout.
...
Necessary to add link tag for favicon.ico?
... images folder or something alike. For example:
<link rel="icon" href="_/img/favicon.png">
This diferent location may even be a CDN, just like SO seems to do with <link rel="shortcut icon" href="http://cdn.sstatic.net/stackoverflow/img/favicon.ico">.
To learn more about using other f...
Is < faster than
...(a <=901)
cmpl $901, -4(%rbp)
jg .L3
My example if is from GCC on x86_64 platform on Linux.
Compiler writers are pretty smart people, and they think of these things and many others most of us take for granted.
I noticed that if it is not a constant, then the same machine code is generated in...