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What is the difference between g++ and gcc?
... was once upon a time just the GNU C Compiler).
Even though they automatically determine which backends (cc1 cc1plus ...) to call depending on the file-type, unless overridden with -x language, they have some differences.
The probably most important difference in their defaults is which libraries ...
With MySQL, how can I generate a column containing the record index in a table?
...l l
JOIN (SELECT @curRow := 0) r;
The JOIN (SELECT @curRow := 0) part allows the variable initialization without requiring a separate SET command.
Test case:
CREATE TABLE league_girl (position int, username varchar(10), score int);
INSERT INTO league_girl VALUES (1, 'a', 10);
INSERT INTO leag...
C++代码执行安装包静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
... szCmdline = _T("/NCRC /S /D=\"");
szCmdline.Append( DEFAULT_INSTALL_PATH );
szCmdline.Append( _T("\"") );
CreateProcess( szSetupPath, szCmdline.GetBuffer(), NULL, FALSE, NULL, NULL, NULL, szWorking, &si, &pi );
WaitForSingleObject( m_hCreatePackage, INFINITE ); // 这种方...
How do I cast a JSON object to a typescript class
I read a JSON object from a remote REST server. This JSON object has all the properties of a typescript class (by design). How do I cast that received JSON object to a type var?
...
How to split a string literal across multiple lines in C / Objective-C?
...
There are two ways to split strings over multiple lines:
Using \
All lines in C can be split into multiple lines using \.
Plain C:
char *my_string = "Line 1 \
Line 2";
Objective-C:
NSString *my_string = @"Line1 \
Line2";
Better approach
Th...
SQL Server - Create a copy of a database table and place it in the same database?
...a new table with the same column structure (just like he said) and inserts all data into the new table for you.
– user5855178
Apr 5 '17 at 14:14
1
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Run certain code every n seconds [duplicate]
...
This seems not to resolve the question at all... it does not repeat every second.
– Yan King Yin
Jul 5 '13 at 15:28
9
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Can comments be used in JSON?
...
No.
The JSON should all be data, and if you include a comment, then it will be data too.
You could have a designated data element called "_comment" (or something) that would be ignored by apps that use the JSON data.
You would probably be bett...
How to wait for several Futures?
...ave several futures and need to wait until either any of them fails or all of them succeed.
8 Answers
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ElasticSearch: Unassigned Shards, how to fix?
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By default, Elasticsearch will re-assign shards to nodes dynamically. However, if you've disabled shard allocation (perhaps you did a rolling restart and forgot to re-enable it), you can re-enable shard allocation.
# v0.90.x and earlier
curl -XPUT 'localhost:9200/_settings' -d '{
"in...