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How to extract the first two characters of a string in shell scripting?
...two characters, short will be identical to it.
This in-shell method is usually better if you're going to be doing it a lot (like 50,000 times per report as you mention) since there's no process creation overhead. All solutions which use external programs will suffer from that overhead.
If you also...
How do you check if a JavaScript Object is a DOM Object?
...exception is thrown and we end up here. Testing some
//properties that all elements have (works on IE7)
return (typeof obj==="object") &&
(obj.nodeType===1) && (typeof obj.style === "object") &&
(typeof obj.ownerDocument ==="object");
}
}
It's part of ...
How to drop a database with Mongoose?
...
Since all collections are in the hash mongoose.connection.collections, you might simply list them for ( collection in mongoose.connection.collections ) { mongoose.connection.collections[collection].drop } ... smth similar
...
How to ignore a property in class if null, using json.net
...y("property_name", NullValueHandling=NullValueHandling.Ignore)]
// or for all properties in a class
[JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]
As seen in this online doc.
share
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Swift: Pass array by reference?
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@Boon Array is still semantically copied/passed-by-value, but just optimised to use COW.
– eonil
Oct 14 '14 at 3:38
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How to fix Git error: object file is empty?
... the .git directory and run find . -type f -empty -delete -print to remove all empty files. Eventually git started telling me it was actually doing something with the object directories:
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git fsck --full
Checking object directories: 100% (256/256)...
How to retrieve the current version of a MySQL database management system (DBMS)?
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Nolwennig
1,2571616 silver badges2828 bronze badges
answered Jan 24 '12 at 13:35
DevartDevart
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Java - No enclosing instance of type Foo is accessible
...provide runtime arguments makes it a bother to use a main method. This was all I needed and exactly what I was looking to find.
– Abandoned Cart
Jul 27 '16 at 6:03
add a comme...
How to fix “Headers already sent” error in PHP
...ders must be invoked before any output is made.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
se...
How can I wrap text in a label using WPF?
...ol when using the keyboard e.g. ALT+C in the sample code below), as that's all a Label really offers over a TextBlock.
However, a Label uses a TextBlock to render text (if a string is placed in the Content property, which it typically is); therefore, you can add a style for TextBlock inside the La...