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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...alternative.
If you do not need it to be absolutely unique over time:
md5(uniqid(rand(), true))
Otherwise (given you have already determined a unique login for your user):
md5(uniqid($your_user_login, true))
share
...
Converting stream of int's to char's in java
...set instead.
Simply casting from int to char only works if you want ISO-8859-1, if you're reading bytes from a stream directly.
EDIT: If you are already using a Reader, then casting the return value of read() to char is the right way to go (after checking whether it's -1 or not)... but it's normal...
Naming returned columns in Pandas aggregate function? [duplicate]
....load_data('Loblolly')
print(data.head())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
df = data.groupby('Seed').agg(
{'age':['sum'],
'height':['mean', 'std']})
print(df.head())
# age hei...
How to use custom packages
...|
edited Jan 18 '17 at 0:15
Edson Medina
8,04233 gold badges3434 silver badges4747 bronze badges
answere...
java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail
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edited Sep 11 '17 at 16:53
answered May 29 '13 at 7:55
Eu...
using lodash .groupBy. how to add your own keys for grouped output?
...);
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>
Original Answer
var result = _.chain(data)
.groupBy("color")
.pairs()
.map(function(currentItem) {
return _.object(_.zip(["color", "users"], currentItem));
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Does Java casting introduce overhead? Why?
...
5 Answers
5
Active
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How to read the output from git diff?
...tory):
diff --git a/builtin-http-fetch.c b/http-fetch.c
similarity index 95%
rename from builtin-http-fetch.c
rename to http-fetch.c
index f3e63d7..e8f44ba 100644
--- a/builtin-http-fetch.c
+++ b/http-fetch.c
@@ -1,8 +1,9 @@
#include "cache.h"
#include "walker.h"
-int cmd_http_fetch(int argc, co...
How can I scale an entire web page with CSS?
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185
You might be able to use the CSS zoom property - supported in IE 5.5+, Opera, and Safari 4, and ...