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PHP - how to best determine if the current invocation is from CLI or web server?
...name() == 'cli';
– Savageman
Aug 9 '10 at 19:18
11
I did a research: if you invoke the script wit...
Approximate cost to access various caches and main memory?
...cles ( 2.1 - 1.2 ns )
local L2 CACHE hit, ~10 cycles ( 5.3 - 3.0 ns )
local L3 CACHE hit, line unshared ~40 cycles ( 21.4 - 12.0 ns )
local L3 CACHE hit, shared line in another core ~65 cycles ( 34.8 - 19.5 ns )
local L3 CACHE hit, modified in an...
How do I find where an exception was thrown in C++?
...unhanded exception. what(): RUNTIME ERROR!
my_terminate backtrace returned 10 frames
[bt]: (0) ./test(my_terminate__Fv+0x1a) [0x8048e52]
[bt]: (1) /usr/lib/libstdc++-libc6.2-2.so.3 [0x40045baa]
[bt]: (2) /usr/lib/libstdc++-libc6.2-2.so.3 [0x400468e5]
[bt]: (3) /usr/lib/libstdc++-libc6.2-2.so.3(__re...
How can I debug git/git-shell related problems?
...log git gc
Counting objects: 143760, done.
...
$ head gc.log
20:12:37.214410 trace.c:420 performance: 0.090286000 s: git command: 'git' 'pack-refs' '--all' '--prune'
20:12:37.378101 trace.c:420 performance: 0.156971000 s: git command: 'git' 'reflog' 'expire' '--all'
...
$ G...
What's a good way to extend Error in JavaScript?
...Error";
– kybernetikos
Oct 2 '12 at 10:10
11
I'd add MyError.prototype.constructor = MyError too....
Find objects between two dates MongoDB
...ems to work.
items.save({
name: "example",
created_at: ISODate("2010-04-30T00:00:00.000Z")
})
items.find({
created_at: {
$gte: ISODate("2010-04-29T00:00:00.000Z"),
$lt: ISODate("2010-05-01T00:00:00.000Z")
}
})
=> { "_id" : ObjectId("4c0791e2b9ec877893f3363b"), "na...
How do I create a MongoDB dump of my database?
...jects
log.analytics to dump/log/analytics.bson
234810 objects
DATABASE: blog to dump/blog
blog.posts to dump/log/blog.posts.bson
59 objects
DATABASE: admin to dump/admin
Source: http://www.mongodb.org/display/DOCS/Import+Export+Tools
...
Javascript - Append HTML to container element without innerHTML
...
102
To give an alternative (as using DocumentFragment does not seem to work): You can simulate it ...
搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...operations
Thu Nov 14 23:05:13 [replslave] repl: syncedTo: Nov 14 23:08:10 5284e75a:1
查看服务状态
> db.printReplicationInfo();
this is a slave, printing slave replication info.
source: 192.168.0.1:27017
syncedTo: Sun Nov 17 2013 16:04:02 GMT+080...
What is your favorite C programming trick? [closed]
...re
edited Nov 2 '09 at 16:01
community wiki
2 r...