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.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
...d with List<T> for standard collections and Collection<T> as a base class for custom collections. Hashtable has been largely replaced by Dictionary<TKey, TValue>. I would recommend avoiding ArrayList and Hashtable for new code.
– Sam Harwell
M...
Fastest way to iterate over all the chars in a String
...et the entire buffer (at least on Android), but your indexing will be zero based. However, if you know that you don't have a substring, it will work fine.
– prewett
Apr 26 '14 at 16:54
...
Tomcat: How to find out running tomcat version
...OS Name: Linux
OS Version: 3.13.0-36-generic
Architecture: amd64
JVM Version: 1.7.0_65-b32
JVM Vendor: Oracle Corporation
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f...
Converting a Java Keystore into PEM Format
... pub:
00:e2:66:5c:e0:2e:da:e0:6b:a6:aa:97:64:59:14:
7e:a6:2e:5a:45:f9:2f:b5:2d:f4:34:27:e6:53:c7:
bash$ keytool -importkeystore -srckeystore foo.jks \
-destkeystore foo.p12 \
-srcstoretype jks \
-deststoretype pkcs12
Enter ...
set date in input type date
...ply. So it applies for day field also.
Please follow the fiddle link for demo:
var now = new Date();
var day = ("0" + now.getDate()).slice(-2);
var month = ("0" + (now.getMonth() + 1)).slice(-2);
var today = now.getFullYear()+"-"+(month)+"-"+(day) ;
$('#datePicker').val(today);
...
Installing PG gem on OS X - failure to build native extension
...sion 8.x installed.
So I run the following command:
ARCHFLAGS="-arch x86_64" gem install pg
and this worked for me, I hope this helps someone :)
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Bash empty array expansion with `set -u`
....4.
$ bash --version | head -n 1
GNU bash, version 4.4.19(1)-release (x86_64-pc-linux-gnu)
$ set -u
$ arr=()
$ echo "foo: '${arr[@]}'"
foo: ''
There is a conditional you can use inline to achieve what you want in older versions: Use ${arr[@]+"${arr[@]}"} instead of "${arr[@]}".
$ function a...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注IT技能提升
...为 0, 10000101(127+6=133), 11110110000000000000000
下面提供一个Demo,大家有兴趣的话可以直接修改自行验证其他的例子:
#include "stdafx.h"
#include <string.h>
#include <limits>
int _tmain(int argc, _TCHAR* argv[])
{
float f1 = FLT_MIN;
printf("%f\n", f1);
...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注IT技能提升
...为 0, 10000101(127+6=133), 11110110000000000000000
下面提供一个Demo,大家有兴趣的话可以直接修改自行验证其他的例子:
#include "stdafx.h"
#include <string.h>
#include <limits>
int _tmain(int argc, _TCHAR* argv[])
{
float f1 = FLT_MIN;
printf("%f\n", f1);
...
浮点数在内存中的表示 - C/C++ - 清泛网移动版 - 专注IT技能提升
...为 0, 10000101(127+6=133), 11110110000000000000000
下面提供一个Demo,大家有兴趣的话可以直接修改自行验证其他的例子:
#include "stdafx.h"
#include <string.h>
#include <limits>
int _tmain(int argc, _TCHAR* argv[])
{
float f1 = FLT_MIN;
printf("%f\n", f1);
...