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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...t/md5.so'
=> true
2.2.3 :004 > puts Digest::MD5.hexdigest('I love you')
e4f58a805a6e1fd0f6bef58c86f9ceb3
=> nil
2.2.3 :005 > puts Digest::MD5.hexdigest('I love you!')
690a8cda8894e37a6fff4d1790d53b33
=> nil
2.2.3 :006 > puts Digest::MD5.hexdigest('I love you !')
b2c63c3ca6019cff3bad64fcfa80...
Generating v5 UUID. What is name and namespace?
... your own, e.g.:
UUID Namespace_RectalForeignExtractedObject = '8e884ace-bee4-11e4-8dfc-aa07a5b093db'
The name is a string of arbitrary length.
The name is just the text you want to have appended to the namespace, then hashed, and stuffed into a UUID:
uuid = NameToUUID('8e884ace-bee4-11e4-8dfc-aa...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...xa8\xd7\x99 \xd7\xa6\xd7\xa7\xd7\x9c\xd7\x94', 2: u'\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\u05d4'}
>>> s=json.dumps(d, ensure_ascii=False, encoding='utf8')
>>> s
u'{"1": "\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\u05d4", "2": "\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\u05d4"}'
>>>...
Regular expression to match numbers with or without commas and decimals in text
... ' .0457e10 .0457000e10 00000.0457000e10 ',
' 258e8 2580000e4 0000000002580000e4 ',
' 0.782e10 0000.782e10 0000.7820000e10 ',
' 1.23E2 0001.23E2 0001.2300000E2 ',
' 432e-102 0000432e-102 004320000e-106 ',
' 1.46e10and0001.46e10 0001.460...
What exactly does git's “rebase --preserve-merges” do (and why?)
... Wood (phillipwood).
(Merged by Junio C Hamano -- gitster -- in commit 2c18e6a, 23 May 2018)
pull: accept --rebase-merges to recreate the branch topology
Similar to the preserve mode simply passing the --preserve-merges
option to the rebase command, the merges mode simply passes the
-...
Rebase a single Git commit
...s so many times, most of all to rebase specific config on a project
* a8f9182 (HEAD -> production) production configuration
| * daa18b7 (pre) preproduction configuration
|/
| * d365f5f (local) local configuration
|/
* 27d2835 (dev) amazing new feature that will save the world
* ...
Number of days in particular month of particular year?
...
daysInMonth = monthEnum.maxLength();
}
If the month isn't February (92% of the cases), it depends on the month only and it is more efficient not to involve the year. This way, you don't have to call logic to know whether it is a leap year and you don't need to get the year in 92% of the cases...
Eclipse IDE for Java - Full Dark Theme
...darker":
The big fun is that, the codes are minimized by using Eclipse4 platform technologies like dependency injection.
It proves that again, the concise codes and advanced features could be achieved by contributing or extending with the external form(like library, framework).
New languag...
How to draw a path on a map using kml file?
... GeoPoint startGP = new GeoPoint((int) (Double.parseDouble(lngLat[1]) * 1E6), (int) (Double.parseDouble(lngLat[0]) * 1E6));
mMapView01.getOverlays().add(new RouteOverlay(startGP, startGP, 1));
GeoPoint gp1;
GeoPoint gp2 = startGP;
for (int i = 1; i ...
switch() statement usage
... == "median") 2
else if (type == "trimmed") 3
}
system.time( for(i in 1:1e6) test1('mean') ) # 0.89 secs
system.time( for(i in 1:1e6) test2('mean') ) # 1.13 secs
system.time( for(i in 1:1e6) test1('trimmed') ) # 0.89 secs
system.time( for(i in 1:1e6) test2('trimmed') ) # 2.28 secs
Update With Jo...