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String.IsNullOrWhiteSpace in LINQ Expression
...e latter doesn't (at least as far as Oracle's EF driver is concerned). Aka if you use: b.Diameter.Trim() == "" <-- this won't work as intended (crazy I know ...)
– XDS
Dec 14 '18 at 13:59
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Ruby Array find_first object?
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use array detect method if you wanted to return first value where block returns true
[1,2,3,11,34].detect(&:even?) #=> 2
OR
[1,2,3,11,34].detect{|i| i.even?} #=> 2
If you wanted to return all values where block returns true then use s...
What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
...', or since "locals" is the name of the object containing them, you can do if (locals.foo). It's just raw js :p
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What is the best workaround for the WCF client `using` block issue?
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You could easily modify the wrapper so you don't need a capture variable for the result. Something like this: public static TResult Use<TResult>(Func<T, TResult> codeBlock) { ... }
– chris
Aug ...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...ng
cd /etc/sysconfig/network-scripts/
cp /etc/sysconfig/network-scripts/ifcfg-eth* /etc/sysconfig/network-scripts/备份
vi ifcfg-bond0
节点1 为172.16.110.100
节点2 为172.16.110.110
vi ifcfg-bond1
节点1 为10.10.120.100
节点2 为10.10.120.110
节点1，节点2一...
What do *args and **kwargs mean? [duplicate]
...t an arbitrary number of arguments and/or keyword arguments.
For example, if you wanted to write a function that returned the sum of all its arguments, no matter how many you supply, you could write it like this:
def my_sum(*args):
return sum(args)
It’s probably more commonly used in objec...
Inserting multiple rows in a single SQL query? [duplicate]
...tion and answer are old, but I like to mention that there is a functional difference between using the method mentioned in the question and in this answer. The first executes triggers X amount of times with 1 record in the inserted table. The second executes triggers 1 time with x amount of records ...
Linux command or script counting duplicated lines in a text file?
If I have a text file with the following conent
8 Answers
8
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Android: Temporarily disable orientation changes in an Activity
...some database changes that should not be interrupted. I'm doing the heavy lifting in another thread, and using a progress dialog which I set as non-cancellable. However, I noticed that if I rotate my phone it restarts the activity which is REALLY bad for the process that was running, and I get a For...
Split data frame string column into multiple columns
...ks hadley, very convinient method, but there is one thing can be improved, if there is NA in the original column, after separation it will become sevaral empty string in result columns, which is unwanted, I want to keep the NA still NA after separation
– cloudscomputes
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