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Zooming MKMapView to fit annotation pins?
...tudes, apply some simple arithmetic, and use MKCoordinateRegionMake.
For iOS 7 and above, use showAnnotations:animated:, from MKMapView.h:
// Position the map such that the provided array of annotations are all visible to the fullest extent possible.
- (void)showAnnotations:(NSArray *)annotations...
Import CSV to SQLite
...I did it.
Make/Convert csv file to be seperated by tabs (\t) AND not enclosed by any quotes (sqlite interprets quotes literally - says old docs)
Enter the sqlite shell of the db to which the data needs to be added
sqlite> .separator "\t" ---IMPORTANT! should be in double quotes
sqlite> .i...
event.preventDefault() function not working in IE
...
I know this is quite an old post but I just spent some time trying to make this work in IE8.
It appears that there are some differences in IE8 versions because solutions posted here and in other threads didn't work for me.
Let's say that we have this c...
“No such file or directory” error when executing a binary
...untu 12.04 that was built on Ubuntu 10.04 (requires GCC 4.1 to build). As most of the libraries have moved to multiarch dirs, it couldn't find ld.so. So, make a symlink for it.
Check required path:
$ readelf -a arm-linux-gnueabi-gcc | grep interpreter:
[Requesting program interpreter: /lib/l...
How to specify the location with wget?
...
Also, you can remove the root folder via --no-host-directories or -nH as per serverfault.com/questions/354792/…
– Alien Life Form
Jul 1 '15 at 3:43
2
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fastest (low latency) method for Inter Process Communication between Java and C/C++
..., without assigning specific CPU cores with taskset:
TCP - 25 microseconds
Named pipes - 15 microseconds
Now explicitly specifying core masks, like taskset 1 java Srv or taskset 2 java Cli:
TCP, same cores: 30 microseconds
TCP, explicit different cores: 22 mic...
MySQL > Table doesn't exist. But it does (or it should)
...ySQL datadir (e.g. ibdata1, ib_logfile0 and ib_logfile1).
When I copied those it worked for me.
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Swift 和 .Net 开源，回顾 2015 年 9 大开源事件 - 开源 & Github - 清泛网 - 专注IT技能提升
...第一次开源了，它早已因开源基于 Linux 的 Android 和 Chrome OS 而名声大噪。它也开源了很多其他的软件。
今年，Google 开源了人工智能（AI）发动机 TensorFlow，该公司表示“该系统最初是由 Google 机器智能研究组织下的 Google Brain 团...
How to find out if a file exists in C# / .NET?
...e for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#.
4 Answers
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Executing command line programs from within python [duplicate]
...ing other programs from Python -- much more flexible and nicer to use than os.system.
import subprocess
#subprocess.check_output(['ls', '-l']) # All that is technically needed...
print(subprocess.check_output(['ls', '-l']))
...