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MongoDB drop every database
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Save this to drop_all_dbs.js:
var databases = db.getMongo().getDBNames()
for(var i in databases){
db = db.getMongo().getDB( databases[i] );
if(db.getName() == "admin" || db.getName() == "local"){
print("skipping db " + db.get...
NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...。
#include <windows.h>
#include <pluginapi.h> // nsis plugin
HWND g_hwndParent;
// To work with Unicode version of NSIS, please use TCHAR-type
// functions for accessing the variables and the stack.
void __declspec(dllexport) myFunction(HWND hwndParent, int string_size,
TCHAR *variable...
Encrypt and decrypt a string in C#?
...so too much work to alter this answer otherwise.
private static byte[] _salt = __To_Do__("Add a app specific salt here");
/// <summary>
/// Encrypt the given string using AES. The string can be decrypted using
/// DecryptStringAES(). The sharedSecret parameters must match.
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Will strlen be calculated multiple times if used in a loop condition?
...mstances include compiling with GCC under linux, where strlen is marked as __attribute__((pure)) allowing the compiler to elide multiple calls. GCC Attributes
– David Rodríguez - dribeas
Jul 6 '12 at 15:42
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How to use SSH to run a local shell script on a remote machine?
...xecute the local script on the remote server.
plink root@MachineB -m local_script.sh
If Machine A is a Unix-based system, you can use:
ssh root@MachineB 'bash -s' < local_script.sh
You shouldn't have to copy the script to the remote server to run it.
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Swap key with value JSON
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you can use lodash function _.invert it also can use multivlaue
var object = { 'a': 1, 'b': 2, 'c': 1 };
_.invert(object);
// => { '1': 'c', '2': 'b' }
// with `multiValue`
_.invert(object, true);
// => { '1': ['a', 'c'], '2': ['b'] ...
Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
... users, a simple sudo will fix this issue.
– truthful_ness
May 26 '14 at 17:14
15
running as admi...
Postgresql SELECT if string contains
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You should use 'tag_name' outside of quotes; then its interpreted as a field of the record. Concatenate using '||' with the literal percent signs:
SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%';
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Git error on commit after merge - fatal: cannot do a partial commit during a merge
...ost cases but in case it doesn't work
You need to do git commit -m "your_merge_message". During a merge conflict you cannot merge one single file so you need to
Stage only the conflicted file ( git add your_file.txt )
git commit -m "your_merge_message"
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How to automatically convert strongly typed enum into int?
The a::LOCAL_A is what the strongly typed enum is trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast.
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