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FormData.append(“key”, “value”) is not working

...rmdata.get(key) and more very useful methods Original answer: What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the browser logs (eg. Chrome devtools' Network tab). You don't need a/the same Ajax framework. You don't need any details. Just send it: var xhr = ...
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Generate random numbers with a given (numerical) distribution

...> choices(population, weights) 4 The optional keyword-only argument k allows one to request more than one sample at once. This is valuable because there's some preparatory work that random.choices has to do every time it's called, prior to generating any samples; by generating many samples at o...
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How to restore to a different database in sql server?

...mpCopy with the contents of your.bak. Example (restores a backup of a db called 'creditline' to 'MyTempCopy'; RESTORE FILELISTONLY FROM DISK='e:\mssql\backup\creditline.bak' >LogicalName >-------------- >CreditLine >CreditLine_log RESTORE DATABASE MyTempCopy FROM DISK='e:\mssql\backu...
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Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'

... It sounds like GCC 4.7.0 has finally removed the deprecated -mno-cygwin option, but distutils has not yet caught up with it. Either install a slightly older version of MinGW, or edit distutils\cygwinccompiler.py in your Python directory to remove all instan...
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How can I append a string to an existing field in MySQL?

I want to update the code on all my record to what they currently are plus _standard any ideas? 2 Answers ...
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Set the value of a variable with the result of a command in a Windows batch file

...%a in ('command1 ^| command2') do set VAR=%%a. – Bill_Stewart Mar 4 '16 at 19:23 @Bill_Stewart you just saved my day, ...
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error

...ager that does not validate certificate chains TrustManager[] trustAllCerts = new TrustManager[] {new X509TrustManager() { public java.security.cert.X509Certificate[] getAcceptedIssuers() { return null; } public void checkClientTrusted(X509...
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How to correctly implement custom iterators and const_iterators?

...e, std::iterator with random_access_iterator_tag.These base classes define all type definitions required by STL and do other work. To avoid code duplication iterator class should be a template class and be parametrized by "value type", "pointer type", "reference type" or all of them (depends on impl...
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Add column with constant value to pandas dataframe [duplicate]

...ods to gain some intuition for alignment works with objects that have partially, totally, and not-aligned-all aligned indices. For example here's how DataFrame.align() works with partially aligned indices: In [7]: from pandas import DataFrame In [8]: from numpy.random import randint In [9]: df = ...
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Matplotlib make tick labels font size smaller

...n I make the font size for the tick labels using ax1.set_xticklabels() smaller? 10 Answers ...