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Convert Data URI to File then append to FormData

... // convert base64/URLEncoded data component to raw binary data held in a string var byteString; if (dataURI.split(',')[0].indexOf('base64') >= 0) byteString = atob(dataURI.split(',')[1]); else byteString = unescape(dataURI.split(',')[1]); // separate out the mim...
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What happens if you call erase() on a map element while iterating from begin to end?

...ng erase. At this point it is too late and is already invalidated. map<string, SerialdMsg::SerialFunction_t>::iterator pm_it = port_map.begin(); while(pm_it != port_map.end()) { if (pm_it->second == delete_this_id) { port_map.erase(pm_it++); // Use iterator. ...
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Why is Java's SimpleDateFormat not thread-safe? [duplicate]

... } }; } public SimpleDateFormatThreadSafe(final String pattern) { super(pattern); localSimpleDateFormat = new ThreadLocal<SimpleDateFormat>() { protected SimpleDateFormat initialValue() { return new SimpleDateFormat(pattern...
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How can one display images side by side in a GitHub README.md?

...ssible to add a title to each of the images? – recipe_for_disaster Jan 12 at 7:27 This is perfect! As it allows to spe...
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How to get a list of installed android applications and pick one to run

... Here a good example: class PInfo { private String appname = ""; private String pname = ""; private String versionName = ""; private int versionCode = 0; private Drawable icon; private void prettyPrint() { Log.v(appname + "\t" + pname + "\t"...
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Is there any way to use a numeric type as an object key?

...e a numeric type as a key name in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work. ...
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What is the best way to iterate over a dictionary?

... foreach(KeyValuePair<string, string> entry in myDictionary) { // do something with entry.Value or entry.Key } share | improve this answe...
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DbEntityValidationException - How can I easily tell what caused the error?

...more details. The validation errors are: The field PhoneNumber must be a string or array type with a maximum length of '12'; The LastName field is required. You can drop the overridden SaveChanges in any class that inherits from DbContext: public partial class SomethingSomethingEntities { ...
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Convert string to variable name in JavaScript

... Javascript has an eval() function for such occasions: function (varString) { var myVar = eval(varString); // ..... } Edit: Sorry, I think I skimmed the question too quickly. This will only get you the variable, to set it you need function SetTo5(varString) { var newValue = 5; eva...
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Adding a favicon to a static HTML page

... Convert your image file to Base64 string with a tool like this and then replace the YourBase64StringHere placeholder in the below snippet with your string and put the line in your HTML head section: <link href="data:image/x-icon;base64,YourBase64StringHer...