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How do I convert struct System.Byte byte[] to a System.IO.Stream object in C#?
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There's extra space allocated in the MemoryStream buffer by default (just like with e.g. a list). This can be dealt with easily by using the overload that allows you to set capacity, but is only really useful if you don't expect to w...
通信连接组件 · App Inventor 2 中文网
...(XML文本)
解码给定的 XML 字符串以生成列表对象。
string 解码为包含一个标签和字符串键值对的列表。
更一般地，如果 obj1, obj2, … 是标记分隔的 XML 字符串，则 obj1 obj2 ... 解码为一个列表，其中包含第一个元素是 tag 且...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...hen
print i
end if
end for
The first loop initialises the k extra entries to the same as the first entry in the array (this is just a convenient value that we know is already present in the array - after this step, any entries that were missing in the initial array of size N-k are sti...
Get only part of an Array in Java?
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there is another problem. What if I need to split the string array of length say 500K into the subarrays of 250K. These method accepts interegr which max out at 65000.
– Vishnu Dahatonde
Oct 10 '17 at 10:20
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Preferred method to store PHP arrays (json_encode vs serialize)
...2.180496931076 seconds
JSON decoded in 9.8368630409241 seconds
serialized "String" size : 13993
Native PHP :
PHP serialized in 2.9125759601593 seconds
PHP unserialized in 6.4348418712616 seconds
serialized "String" size : 20769
Igbinary :
WIN igbinary serialized in 1.6099879741669 secon...
Why does base64 encoding require padding if the input length is not divisible by 3?
...d sequence.
However, padding is useful in situations where base64 encoded strings are concatenated in such a way that the lengths of the individual sequences are lost, as might happen, for example, in a very simple network protocol.
If unpadded strings are concatenated, it's impossible to recover...
What is the smallest possible valid PDF?
...4-representation of a PDF. So, if anyone is interested, here is the base64-string of the 138 bytes version: JVBERi0xLjAKMSAwIG9iajw8L1BhZ2VzIDIgMCBSPj5lbmRvYmogMiAwIG9iajw8L0tpZHNbMyAw\nIFJdL0NvdW50IDE+PmVuZG9iaiAzIDAgb2JqPDwvTWVkaWFCb3hbMCAwIDMgM10+PmVuZG9iagp0\ncmFpbGVyPDwvUm9vdCAxIDAgUj4+Cg==
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How do I create a random alpha-numeric string in C++?
I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string.
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How to obtain the start time and end time of a day?
...teTime zdtStop = today.plusDays( 1 ).atStartOfDay( zoneId ) ;
zdtStart.toString() = 2020-01-30T00:00+01:00[Africa/Tunis]
zdtStop.toString() = 2020-01-31T00:00+01:00[Africa/Tunis]
See the same moments in UTC.
Instant start = zdtStart.toInstant() ;
Instant stop = zdtStop.toInstant() ;
start.toS...
Stash just a single file
...later simply rebase and/or merge the tmpbranch. It really isn't that much extra work when you need to do more careful tracking than stash will allow.
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