大约有 18,900 项符合查询结果（耗时：0.0397秒） [XML]
What's the difference between eval, exec, and compile?
...eUploader: {
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Embed git commit hash in a .Net dll
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Following project https://github.com/jeromerg/NGitVersion offers a complete solution to generate GlobalAssemblyInfo.* files at compile time for C# and C++ projects: By default, the generated assembly version contains: the commit hash, a flag s...
Add regression line equation and R^2 on graph
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Here is one solution
# GET EQUATION AND R-SQUARED AS STRING
# SOURCE: https://groups.google.com/forum/#!topic/ggplot2/1TgH-kG5XMA
lm_eqn <- function(df){
m <- lm(y ~ x, df);
eq <- substitute(italic(y) == a + b %.% italic(x)*","~~italic(r)^2~"="~r2,
list(a = format(un...
What's so bad about Template Haskell?
...uasi-quoters I've been working on lately (using haskell-src-exts / meta) - https://github.com/mgsloan/quasi-extras/tree/master/examples . I know this introduces some bugs such as not being able to splice in the generalized list comprehensions. However, I think that there's a good chance that some of...
Setting environment variables on OS X
...X v10.7 (Lion) you can set them in:
~/.MacOSX/environment.plist
See:
https://developer.apple.com/legacy/library/qa/qa1067/_index.html
https://developer.apple.com/library/content/documentation/MacOSX/Conceptual/BPRuntimeConfig/Articles/EnvironmentVars.html
For PATH in the Terminal, you should...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...e Douglas Crockford library to add JSON.stringify support on old browsers: https://github.com/douglascrockford/JSON-js
Docs for JSON.stringify: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify
I hope this helps :-)
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MySQL vs MongoDB 1000 reads
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Source: https://github.com/webcaetano/mongo-mysql
10 rows
mysql insert: 1702ms
mysql select: 11ms
mongo insert: 47ms
mongo select: 12ms
100 rows
mysql insert: 8171ms
mysql select: 10ms
mongo insert: 167ms
mongo select: 60ms
...
How to set the prototype of a JavaScript object that has already been instantiated?
...ike modifying __proto__, they won't optimize your code at all.
This posts https://bugzilla.mozilla.org/show_bug.cgi?id=607863 specifically discusses current implementations of __proto__ and the differences between them. Every implementation does it differently, because it's a hard and unsolved prob...
How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
...trl + C.
POSIX 7
POSIX 7 documents the signals with the signal.h header: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
This page also has the following table of interest which mentions some of the things we had already seen in man 7 signal:
Signal Default Action De...
Accessing an SQLite Database in Swift
...er and get a bit familiar with Swift in the process. You can find it here: https://github.com/chrismsimpson/SwiftSQLite.
var db = SQLiteDatabase();
db.open("/path/to/database.sqlite");
var statement = SQLiteStatement(database: db);
if ( statement.prepare("SELECT * FROM tableName WHERE Id = ?") !=...