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for each loop in Objective-C for accessing NSMutable dictionary

...d value = xyz[key]; // do stuff } This works for every class that conforms to the NSFastEnumeration protocol (available on 10.5+ and iOS), though NSDictionary is one of the few collections which lets you enumerate keys instead of values. I suggest you read about fast enumeration in the Collect...
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How can I view array structure in JavaScript with alert()?

...ugin as follows: alert( $.toJSON(myArray) ); This prints the array in a format like [5, 6, 7, 11] However, for debugging your Javascript code, I highly recommend Firebug It actually comes with a Javascript console, so you can type out Javascript code for any page and see the results. Things ...
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pandas: How do I split text in a column into multiple rows?

... 2:218:10:4,6 60 1 31316 Lennon, John 25 F01 1:13:36:1,12 1:13:37:1,13 300 In [44]: s = df['Seatblocks'].str.split(' ').apply(Series, 1).stack() In [45]: s.index = s.index.droplevel(-1) # to line up with df's index In [46]: s.name = 'Seatblocks' # needs a na...
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How to calculate number of days between two dates

...put dates taking from Date Picker control. I have selected start date 2/2/2012 and end date 2/7/2012. I have written following code for that. ...
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Append values to a set in Python

...t;>> my_set = my_set | {2} >>> my_set {1, 2} Or a shorter form using |=: >>> my_set = {1} >>> my_set |= {2} >>> my_set {1, 2} Note: In versions prior to Python 2.7, use set([...]) instead of {...}. ...
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Developing C# on Linux

...# applications on Linux (Ubuntu). In particular, I have to develop Windows Forms applications. 6 Answers ...
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How to set tbody height with overflow scroll

...inesh Vaitage</td> <td>$300</td> <td>01/12/2017</td> </tr> <tr> <td>INV-1233</td> <td>Dinesh Vaitage</td> <td>$300</td> <td>01/12/2017</td> </tr> ...
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How to create a bash script to check the SSH connection?

... An even more concise form of #1: ssh -q user@downhost exit | echo $? pipe the connection result into echo – philn5d Nov 30 '18 at 21:22 ...
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How to find the foreach index?

...l management (increments, etc). A foreach will give you your index in the form of your $key value, so such a hack shouldn't be necessary. e.g., in a foreach $index = 0; foreach($data as $key=>$val) { // Use $key as an index, or... // ... manage the index this way.. echo "Index is ...
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Disable Drag and Drop on HTML elements?

...n mouse down has too many side effects (for eg preventing focus/unfocus of form text inputs) – Jecimi Feb 18 '16 at 18:21 ...