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How to increase the maximum number of opened editors in IntelliJ?
... files limit if you are using the Recent Files (Cmd+E) feature.
Works for all IntelliJ IDEA platform based IDEs.
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Unable to begin a distributed transaction
...S DTC will not be able to communicate
with each other. This problem typically occurs if one of the systems
were cloned using unsupported cloning tools. MS DTC requires that the
systems be cloned using supported cloning tools such as SYSPREP.
Running 'msdtc -uninstall' and then 'msdtc -instal...
COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
...T(field) or COUNT(*), and stick with it consistently, and if your database allows COUNT(tableHere) or COUNT(tableHere.*), use that.
In short, don't use COUNT(1) for anything. It's a one-trick pony, which rarely does what you want, and in those rare cases is equivalent to count(*)
Use count(*) fo...
jquery how to empty input field
...0' max="10" value="5"></input>? I guess said differently, are you allowed to set a numeric input to be blank?
– Kevin Wheeler
Jun 10 '15 at 21:49
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Benefits of EBS vs. instance-store (and vice-versa) [closed]
...re's why
EBS backed instances can be set so that they cannot be (accidentally) terminated through the API.
EBS backed instances can be stopped when you're not using them and resumed when you need them again (like pausing a Virtual PC), at least with my usage patterns saving much more money than I ...
How can I programmatically get the MAC address of an iphone
How to programmatically get an iPhone's MAC address and IP address?
12 Answers
12
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How to get xdebug var_dump to show full object/array
... I contend that the a display_max_depth of 5 is not sane if you actually expect to get any information from your var_dump
– Ben Harold
Feb 19 '14 at 0:06
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How to check if a column exists in Pandas
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To check if one or more columns all exist, you can use set.issubset, as in:
if set(['A','C']).issubset(df.columns):
df['sum'] = df['A'] + df['C']
As @brianpck points out in a comment, set([]) can alternatively be constructed with curly...
Unpacking, extended unpacking and nested extended unpacking
...luating these "by hand," I'll suggest some simple substitution rules. Basically, you might find it easier to understand an expression if all the iterables are formatted in the same way.
For the purposes of unpacking only, the following substitutions are valid on the right side of the = (i.e. for rv...
Vagrant ssh authentication failure
...y will be in yours profile path: c:\users\USERNAME\.ssh\id_rsa.pub
PS: Finally - suggest you look at Ubuntu on Windows 10
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