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Sending mail from Python using SMTP

...www1.cs.columbia.edu/~db2501/ssmtplib.py) As in your script, the username and password, (given dummy values below), used to authenticate on the SMTP server, are in plain text in the source. This is a security weakness; but the best alternative depends on how careful you need (want?) to be about pro...
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Tri-state Check box in HTML?

...he HTML markup, it can only be done via Javascript (see this JSfiddle test and this detailed article in CSS tricks) This state doesn't change the value of the checkbox, it is only a visual cue that masks the input's real state. Browser test: Worked for me in Chrome 22, Firefox 15, Opera 12 and back ...
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Check if a Bash array contains a value

...ince array_to_string_internal() in array.c still loops over array elements and concatenates them into a string, it's probably not more efficient than the looping solutions proposed, but it's more readable. if [[ " ${array[@]} " =~ " ${value} " ]]; then # whatever you want to do when array conta...
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How do I clone a generic list in C#?

I have a generic list of objects in C#, and wish to clone the list. The items within the list are cloneable, but there doesn't seem to be an option to do list.Clone() . ...
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Selecting an element in iFrame jQuery

In our application, we parse a web page and load it into another page in an iFrame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. ...
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How can building a heap be O(n) time complexity?

...? Often, answers to these questions focus on the difference between siftUp and siftDown. Making the correct choice between siftUp and siftDown is critical to get O(n) performance for buildHeap, but does nothing to help one understand the difference between buildHeap and heapSort in general. Indeed, ...
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Using a custom image for a UITableViewCell's accessoryView and having it respond to UITableViewDeleg

... subclass (I'd recommend a button using -buttonWithType:UIButtonTypeCustom and setting the button's image, rather than using a UIImageView). Here's some things I use in Outpost, which customizes enough of the standard widgets (just slightly, to match our teal colouring) that I wound up doing my own...
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?

... Just to clear up... or sum up... nchar and nvarchar can store Unicode characters. char and varchar cannot store Unicode characters. char and nchar are fixed-length which will reserve storage space for number of characters you specify even if you don't use up all t...
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Pythonic way to combine FOR loop and IF statement

I know how to use both for loops and if statements on separate lines, such as: 10 Answers ...
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Resolving MSB3247 - Found conflicts between different versions of the same dependent assembly

...teps: Bring up the Options dialog (Tools -> Options...). In the left-hand tree, select the Projects and Solutions node, and then select Build and Run. Note: if this node doesn't show up, make sure that the checkbox at the bottom of the dialog Show all settings is checked. In the tools/optio...