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How to capitalize the first letter of a String in Java?
...on library. Free your brain from these stuffs and avoid Null Pointer & Index Out Of Bound Exceptions
Step 1:
Import apache's common lang library by putting this in build.gradle dependencies
compile 'org.apache.commons:commons-lang3:3.6'
Step 2:
If you are sure that your string is all lower case...
What is the purpose of Flask's context stacks?
...backend". In other words, the Flask(...) application constructor has been called twice, creating two instances of a Flask application.
Contexts
When you are working with Flask, you often end up using global variables to access various functionality. For example, you probably have code that reads.....
Why is Python running my module when I import it, and how do I stop it?
...program I'm building that can be run in either of 2 ways: the first is to call "python main.py" which prompts the user for input in a friendly manner and then runs the user input through the program. The other way is to call "python batch.py -file- " which will pass over all the friendly input gat...
How to hide columns in HTML table?
...u don't need to add class in td individually as it will be problem because index may not be in mind of each td.
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Test or check if sheet exists
...s Boolean
On Error Resume Next
sheetExist = (ActiveWorkbook.Sheets(sSheet).Index > 0)
End Function
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INSERT … ON DUPLICATE KEY (do nothing)
...nge if there is entry matches unique key or primary key but auto-increment index will increase by 1
some other errors/warnings will be ignored such as data conversion error.
3. INSERT ... ON DUPLICATE KEY UPDATE
pros:
you can easily implement 'save or update' function with this
cons:
loo...
MySQL “between” clause not inclusive?
...because DATE(dob) has to calculate a value for each row and cannot use any indexes on that field.
– joshuahedlund
Jul 31 '12 at 13:39
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How to count duplicate value in an array in javascript
...each array value and NOT it's índex): uniqueCount.forEach(function(value, index) { count[value] = (count[value] || 0) + 1; });
– Pedro Ferreira
Apr 4 '17 at 23:15
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How do I create a namespace package in Python?
In Python, a namespace package allows you to spread Python code among several projects. This is useful when you want to release related libraries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH ,
...
Detect & Record Audio in Python
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Great example! Really useful when I tried to wrap my head around how to record voice using Python. One quick question I had is whether there is a way to define the time period of the recording. Now it records a word? Can I play with it and ha...