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Draw in Canvas by finger, Android
...t.getExternalStorageDirectory().getAbsolutePath();
File file = new File("/sdcard/"+name+".png");
try
{
if(!file.exists())
{
file.createNewFi...
How do you query for “is not null” in Mongo?
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db.collection_name.find({"filed_name":{$exists:true}});
fetch documents that contain this filed_name even it is null.
My proposition:
db.collection_name.find({"field_name":{$type:2}}) //type:2 == String
You can check on the required attribute's ...
How can I export tables to Excel from a webpage [closed]
...and pages your data, and with just a few extra lines of code and two small files included, you get export to Excel, PDF, CSV, to clipboard and to the printer.
This is all the code that's required:
$(document).ready( function () {
$('#example').dataTable( {
"sDom": 'T<"clear">lf...
Loading local JSON file
I'm trying to load a local JSON file but it won't work. Here is my JavaScript code (using jQuery):
23 Answers
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Programmatically trigger “select file” dialog box
I have a hidden file input element. Is it possible to trigger its select file dialog box from a button's click event?
13 ...
Mismatched anonymous define() module
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I had this error because I included the requirejs file along with other librairies included directly in a script tag. Those librairies (like lodash) used a define function that was conflicting with require's define. The requirejs file was loading asynchronously so I suspect ...
ORA-01882: timezone region not found
...3.0 connect without error, by adding oracle.jdbc.timezoneAsRegion=false in file oracle/jdbc/defaultConnectionProperties.properties (inside the jar). Found this solution here
Lastly, one can add -Doracle.jdbc.timezoneAsRegion=false to the command line, or AddVMOption -Doracle.jdbc.timezoneAsRegion=f...
JavaScript: Create and save file [duplicate]
I have data that I want to write to a file, and open a file dialog for the user to choose where to save the file. It would be great if it worked in all browsers, but it has to work in Chrome. I want to do this all client-side.
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How to make Eclipse behave well in the Windows 7 taskbar?
... I just use the "bin" directory under the jdk, e.g. -vm C:/Program Files/Java/jdk1.7.0_02/bin
– usethe4ce
Jan 26 '12 at 18:51
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iOS: How to store username/password within an app?
...n select target, go to Build Phases tab and click + under Link Binary With Files) and KeychainItemWrapper .h & .m files into your project, #import the .h file wherever you need to use keychain and then create an instance of this class:
KeychainItemWrapper *keychainItem = [[KeychainItemWrapper a...