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Convert SVG image to PNG with PHP
...ge.src = myimage.svg;
base_image.onload = function(){
//get the image info as base64 text string
var dataURL = canvas.toDataURL();
//Post the image (dataURL) to the server using jQuery post method
$.post('ProcessPicture.php',{'TheKey':Key,'image': dataURL ,'h': canvas.height,'w':ca...
how to generate migration to make references polymorphic
...u should see the actual fields that Rails uses (the Rails Guides have more info).
– Michelle Tilley
Apr 4 '11 at 15:44
2
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
...retty common problem in Windows. You need just to set cacert.pem to curl.cainfo.
Since PHP 5.3.7 you could do:
download https://curl.haxx.se/ca/cacert.pem and save it somewhere.
update php.ini -- add curl.cainfo = "PATH_TO/cacert.pem"
Otherwise you will need to do the following for every cURL r...
git update-index --assume-unchanged on directory
...
Add the directory name to .git/info/exclude. This works for untracked files.
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Escaping a forward slash in a regular expression
...t m{} is the only alternate delimiter that ought to be used, and this is reinforced by Perl::Critic (on CPAN). While you can get away with using a variety of alternate delimiter characters, // and {} seem to be the clearest to decipher later on. However, if either of those choices result in too mu...
Best way to test if a generic type is a string? (C#)
...e, Char, and String, so you can check for primitive types using this. More info on "Generic Type Checking".
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TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展 · App Inventor 2 中文网
...的Android版本中，AvailableSSIDs方法将停止工作。
ConnectionInfo 连接信息()
获取当前连接信息。详情请参考Android WiFiInfo文档。
Is5GHzBandSupported 支持5GHz频段()
检查是否支持5GHz频段。返回true或false。
SignalStrength 信号强度()
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How to import CSV file data into a PostgreSQL table?
...ging.basicConfig()
logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)
df.to_sql("my_table_name2",
engine,
if_exists="append", #options are ‘fail’, ‘replace’, ‘append’, default ‘fail’
index=False, #Do not output the index of the dataframe
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What is compiler, linker, loader?
...gram and data stack are created, register gets initialized.
Little Extra info :- http://www.geeksforgeeks.org/memory-layout-of-c-program/ , you can see the memory layout over there.
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What is the difference between varchar and nvarchar?
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This is great info to have. So am I understanding this correctly if I deduce that the choice ultimately becomes one of--which resource is cheaper: processor + development overhead or storage?
– Matt Cashatt
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