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How to print the full traceback without halting the program?

..._error RuntimeError: something bad happened! Or perhaps you just want the string, in which case, you'll want the traceback.format_exc function instead: try: do_something_that_might_error() except Exception as error: logger.debug(traceback.format_exc()) Which logs: DEBUG:__main__:Traceback ...
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Add … if string is too long PHP [duplicate]

... but on the other, I just want to display the first 50 characters. If the string in the description field is less than 50 characters, then it won't show ... , but if it isn't, I will show ... after the first 50 characters. ...
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Best database field type for a URL

...oc/refman/5.0/en/char.html Values in VARCHAR columns are variable-length strings. The length can be specified as a value from 0 to 255 before MySQL 5.0.3, and 0 to 65,535 in 5.0.3 and later versions. The effective maximum length of a VARCHAR in MySQL 5.0.3 and later is subject to the maximum row s...
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PHP Redirect with POST data

... /** * Redirect with POST data. * * @param string $url URL. * @param array $post_data POST data. Example: array('foo' => 'var', 'id' => 123) * @param array $headers Optional. Extra headers to send. */ public function redirect_post($url, array $data, array $he...
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Django template how to look up a dictionary value with a variable

...mita's answer, the dictionary passed into the function is in the form of a string, so perhaps use ast.literal_eval to convert the string to a dictionary first, like in this example. With this edit, the code should look like this: # code for custom template tag @register.filter(name='lookup') def loo...
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Java: Date from unix timestamp

... Instant instant = Instant.ofEpochSecond( 1_280_512_800L ); instant.toString(): 2010-07-30T18:00:00Z See that code run live at IdeOne.com. Asia/Kabul or Asia/Tehran time zones ? You reported getting a time-of-day value of 22:30 instead of the 18:00 seen here. I suspect your PHP utility is...
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Accessing an SQLite Database in Swift

...autoincrement, name text)", nil, nil, nil) != SQLITE_OK { let errmsg = String(cString: sqlite3_errmsg(db)!) print("error creating table: \(errmsg)") } Use sqlite3_prepare_v2 to prepare SQL with ? placeholder to which we'll bind value. var statement: OpaquePointer? if sqlite3_prepare_v2(db...
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Create a tag in a GitHub repository

...ight tag. Annotated tags are recommended, because they include a lot of extra information such as: the person who made the tag the date the tag was made a message for the tag Because of this, you should always use annotated tags. ...
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Android: install .apk programmatically [duplicate]

... I solved the problem. I made mistake in setData(Uri) and setType(String). Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/download/" + "app.apk")), "application/vnd.android.package-archive"); intent....
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What is a “callback” in C and how are they implemented?

...dlib.h> #include <unistd.h> #include <fcntl.h> #include <string.h> #include "../../common_typedef.h" typedef void (*call_back) (S32, S32); void test_call_back(S32 a, S32 b) { printf("In call back function, a:%d \t b:%d \n", a, b); } void call_callback_func(call_back back)...