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How do I get a TextBox to only accept numeric input in WPF?

...ject.GetDataPresent(DataFormats.Text)) { string text = Convert.ToString(e.DataObject.GetData(DataFormats.Text)); if (!IsValid(text, true)) { e.CancelCommand(); } } else { e.CancelCommand(); ...
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame

...uld expect. I don't understand the design decision for single rows to get converted into a series - why not a data frame with one row? – jobevers Dec 4 '13 at 19:14 ...
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Convert decimal to hexadecimal in UNIX shell script

In a UNIX shell script, what can I use to convert decimal numbers into hexadecimal? I thought od would do the trick, but it's not realizing I'm feeding it ASCII representations of numbers. ...
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How to pass boolean values to a PowerShell script from a command prompt

...false' f : Cannot process argument transformation on parameter 'b'. Cannot convert value "System.String" to type "System.Boolean", parameters of this type only accept booleans or numbers, use $true, $false, 1 or 0 instead. At line:1 char:36 + function f( [bool]$b ) { $b }; f -b <<<< '...
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Convert HH:MM:SS string to seconds only in javascript

I am having similar requirement as this: Convert time in HH:MM:SS format to seconds only? 13 Answers ...
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How can I read a whole file into a string variable

...ror to be reported. You will get a []byte instead of a string. It can be converted if really necessary: s := string(buf) share | improve this answer | follow ...
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Convert JSON string to dict using Python

... If you trust the data source, you can use eval to convert your string into a dictionary: eval(your_json_format_string) Example: >>> x = "{'a' : 1, 'b' : True, 'c' : 'C'}" >>> y = eval(x) >>> print x {'a' : 1, 'b' : True, 'c' : 'C'} >>>...
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_csv.Error: field larger than field limit (131072)

...ight result in the following error: OverflowError: Python int too large to convert to C long. To circumvent this, you could use the following quick and dirty code (which should work on every system with Python 2 and Python 3): import sys import csv maxInt = sys.maxsize while True: # decrease ...
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Can I query MongoDB ObjectId by date?

...ct and string input */ function objectIdWithTimestamp(timestamp) { /* Convert string date to Date object (otherwise assume timestamp is a date) */ if (typeof(timestamp) == 'string') { timestamp = new Date(timestamp); } /* Convert date object to hex seconds since Unix epoch ...
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Apache Spark: map vs mapPartitions?

...difference between an RDD's map and mapPartitions method? The method map converts each element of the source RDD into a single element of the result RDD by applying a function. mapPartitions converts each partition of the source RDD into multiple elements of the result (possibly none). And doe...