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How to split long commands over multiple lines in PowerShell
...
Ah, and if you have a very long string that you want to break up, say of HTML, you can do it by putting a @ on each side of the outer " - like this:
$mystring = @"
Bob
went
to town
to buy
a fat
pig.
"@
You get exactly this:
Bob
went
to town
to buy
a fat...
MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...espace MongoGroupDemo
{
class Program
{
private static string MongoConnStr = "mongodb://172.16.86.53:27017";
/// <summary>
/// MongoDB Group,max仿关系型数据库例子
/// 需求：锯齿状数据表，取所有用户最近一天的数据
...
未能从“const std::string”为“const std::_Tree<_Traits> &”...
http://blog.csdn.net/mfcing/article/details/44157227
how to File.listFiles in alphabetical order?
...ith "xml" just do:
Files.list(Paths.get(dirName))
.filter(s -> s.toString().endsWith(".xml"))
.sorted()
.forEach(System.out::println)
Again, replace the printing with whichever processing operation you would like.
...
How to set -source 1.7 in Android Studio and Gradle
...w use features like the diamond operator, multi-catch, try-with-resources, strings in switches, etc. Add the following to your build.gradle.
android {
compileSdkVersion 19
buildToolsVersion "19.0.0"
defaultConfig {
minSdkVersion 7
targetSdkVersion 19
}
compileO...
How do I insert NULL values using PDO?
...':param' => !empty($val) ? $val : null )); Use !empty because for empty string you would also want to set null in database
– Shehzad Nizamani
Jun 30 '17 at 19:36
1
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
... I did not mean the environment variable. I only meant where this string appeared "#!"C:\Program Files (x86)\Python33\python.exe" I was able to find out where it was though using a hex editor. However using Sublime Text no such string was visible. Can you think of any reason why the path is...
Convert datetime object to a String of date only in Python
I see a lot on converting a date string to an datetime object in Python, but I want to go the other way.
I've got
11 A...
Can I have an IF block in DOS batch file?
...elon and @rkagerer are pointing out specific issues of a general rule that strings need to be quoted. You should never code IF %somevar%==example_string2 it should always be code so operand resolve to IF "value_of_somevar"=="example_string2" to avoid special characters in either st...
python design patterns [closed]
...ttributes."
return self
def __repr__(self):
"Return a string representation."
return "<Null>"
def __str__(self):
"Convert to a string and return it."
return "Null"
With this, if you do Null("any", "params", "you", "want").attribute_that_doesn...