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MFC Telnet Application（mfc telnet 端口，代码实现、不调用telnet.exe） ...
...in the text view, type in the command you want to send (if it won't fit in one single line, press ENTER to move the caret to the next line; also, in the multi-line text messages, end the last string you typed with an ENTER, and press ESC to send it), then press the ESC key to send the data you typed...
How do you detect the clearing of a “search” HTML5 input?
... "update panel" function was called once, on FF twice for every keystroke (one in keyup, one in change)
Additionally, clearing the field with the small X (which is not present under FF) fired the search event under Chrome: no keyup, no change.
The conclusion? Use input instead:
$(some-input).on(...
How to override !important?
...)
add a CSS rule with the same selector at a later point than the existing one (in a tie, the last one defined wins).
Some examples with a higher specificity (first is highest/overrides, third is lowest):
table td {height: 50px !important;}
.myTable td {height: 50px !important;}
#myTable td {h...
When would you use a WeakHashMap or a WeakReference?
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One problem with strong references is
caching, particular with very large
structures like images. Suppose you
have an application which has to work
with user-supplied images, like the
web site design tool I work on....
The SQL OVER() clause - when and why is it useful?
...use.
The PARTITION BY clause let's you break up your aggregate functions. One obvious and useful example would be if you wanted to generate line numbers for order lines on an order:
SELECT
O.order_id,
O.order_date,
ROW_NUMBER() OVER(PARTITION BY O.order_id) AS line_item_no,
OL.prod...
Formula px to dp, dp to px android
...s rounded to the nearest screen bucket, but so is the dp unit! Try drawing one object that is 160dp wide and just below it you draw another object that is dpToPx(160) pixels wide and you will see that the size of the two objects are different. Also some phones (such as Galaxy Mini and Galaxy S3 Mini...
Why no ICloneable?
Is there a particular reason why a generic ICloneable<T> does not exist?
9 Answers
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Split by comma and strip whitespace in Python
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Super good! I added one item as follows to get rid of the blank list entries. > text = [x.strip() for x in text.split('.') if x != '']
– RandallShanePhD
Jul 28 '17 at 19:41
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PyCharm shows unresolved references error for valid code
...nterpreter': Gear icon -> More...
Click the 'Show paths' button (bottom one)
Click the 'Refresh' button (bottom one)
Remove the interpreter and add it again:
File -> Settings
Project: [name] -> Project Interpreter -> 'Project Interpreter': Gear icon -> More...
Click the 'Remove' bu...
could not resolve host github.com error while cloning remote repository in git
...t I did: I have created a remote repository on Github and I am trying to clone the remote repository on my local machine. While cloning I am providing the clone URL & target folder.
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