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java.util.regex - importance of Pattern.compile()?
...r object that is only ever used by one thread at a time in order to reduce allocations.
– AndrewF
Jul 3 '19 at 20:40
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JSON and XML comparison [closed]
...f web API designers.
And I can’t resist tucking an "I told you so!" token away in my
desk. I look forward to seeing what the JSON folks do when they are
asked to develop richer APIs. When they want to exchange less well
strucured data, will they shoehorn it into JSON? I see occasional
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Send POST request using NSURLSession
...;
[request setHTTPMethod:@"POST"];
NSDictionary *mapData = [[NSDictionary alloc] initWithObjectsAndKeys: @"TEST IOS", @"name",
@"IOS TYPE", @"typemap",
nil];
NSData *postData = [NSJSONSerialization dataWithJSONObject:mapData options:0 error:&error];
[re...
How do I enable MSDTC on SQL Server?
...ain range using the keys as described in How to configure RPC dynamic port allocation to work with firewalls.
In my experience, if the DTCPing is able to setup a DTC connection initiated from the client and initiated from the server, your transactions are not the problem any more.
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Array versus List: When to use which?
... an array assures the client it cannot add/remove items. If it does, it re-allocates the array and is assured it will not affect original. Returning a list, no such assurances are made and original could be affected (depends on implementation). Changing items within the collection (whether array or...
I need to store postal codes in a database. How big should the column be?
...hat when clients are retrieving data from the database, they are generally allocating memory based on the maximum size of the data that will be fetched, not the actual length of a given row. Probably not a huge deal in this specific case, but 40 bytes per row could be a decent chunk of RAM for some...
Maximum number of threads per process in Linux?
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stack is growing dynamically, only initial page is allocated off-the-bat
– Michael Pankov
Nov 4 '15 at 22:26
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How to correctly use the extern keyword in C
...les: on variables it doesn't instantiate the variable itself, i.e. doesn't allocate any memory. This needs to be done somewhere else. Thus it's important if you want to import the variable from somewhere else. For functions, this only tells the compiler that linkage is extern. As this is the default...
How to Free Inode Usage?
...arge number of inodes used even if the disk is not very full.
An inode is allocated to a file so, if you have gazillions of files, all 1 byte each, you'll run out of inodes long before you run out of disk.
It's also possible that deleting files will not reduce the inode count if the files have mul...
Creating a comma separated list from IList or IEnumerable
...| Error | StdDev | Min | Max | Median | Rank | Gen 0 | Allocated |
---------------------- |----- |-------- |---------:|----------:|----------:|---------:|---------:|---------:|-----:|-------:|----------:|
StringJoin | Clr | Clr | 28.24 us | 0.4381 us | 0.3659 us ...